UNIT 10: LIFE ON OTHER PLANETS
I. Find the word which has different sound in the part underlined
1. A. exist B. experience C. evidence D. excite
2. A. trace B. space C. planet D. place
3. A. ceiling B. circus C. Condition D. saucer
4. A. mineral B. pilot C. sight D. flight
II. Choose the best option to complete each of the following sentences.
UFOs means ________flying objects.
A. unknown B. unidentified C. unable D. unimaginary
The man ________without trace.
A. disappeared B. disappearing C. appeared D. appearing
He is an ________pilot.
A. experience B. experiment C. experienced D. experient
Scientists say that if people see a UFO, it ________an aircraft.
A. must be B. would be C. might be D. should be
My parents did not allow me ________, so I had to stay at home.
A. go B. to go C. going D. gone
Do you think you will be able ________a space trip
A. take B. to take C. taking D. taken
If there were flying saucers, there ________traces of there landing.
A. would be B. will be C. are D. is
If I ________a bird, I would be a dove.
A. am B. is C. are D. were
She would come to see you if she ________your address.
A. have B. has C. had D. having
Where ________you go if you had a lot of money?
A. will B. would C. do D. can
If we became rich, we would travel ________the world.
A. on B. at C. in D. around
If I ________wings, I wouldn’t have to take an airplane to fly home.
A. had B. have C. will have D. didn’t have
You may also find your country and other ________places.
A. interested B. uninteresting C. interest D. interesting
The ________is due to take off at midnight.
A. airmail B. aircraft C. airport D. airline
There`s someone at the door. Perhaps it`s Peter. Peter ________at the door.
A. should be B. may be C. must be D. will be
III. Give the correct form of the verbs in brackets.
If he ________________free time, he would go swimming. (have)
If I had much money, I ________________a new car. (buy)
If the weather ________________cool, the bananas wouldn’t spoil. (be)
If Ba were rich, he ________________travel around the world. (travel)
What would you do if you ________________a UFO? (see)
If you can’t find your place, I ________________you get there with this map. (help)
IV. Give a suitable preposition to each gap below.
There were more than 1,500 UFO sightings _______the world in 1952.
He saw a plate-like device_______ the treetop.
There is still evidence _____ people to believe_______ the existence of UFOs.
You will weigh 8 kilos heavier _______the moon.
V. Rewrite the following sentences as directed.
Ba isn’t rich. He won’t travel around the world.
 If Ba were …………………………………………………….
I’m not rich, so I can’t buy that house.
 If I were ………………………………………………………….
I can’t give you a ride because I don’t have a motorbike.
 If I had …………………………………………………………….
Water these plants or they will die.
 If you don’t ……………………………………………………….
Hurry up or we’ll be late for the concert.
 I we …………………………………………………………….
VI. Use conditional sentences type 2 to rewrite the sentences below.
You don’t save electricity. You pay a lot of money.
…………………………………………………………………………………
We don’t have enough money, so we don’t buy those new comics.
 ……………………………………………………………………………….
She is not free today, so she can’t go to the movie with her friends.
 ………………………………………………………………………………..
He is so lazy. He fails the final exam.
 ……………………………………………………………………………….
The weather is not fine. The children don’t play outdoors.
………………………………………………………………………………..
People don’t see the UFO, so they don’t call the National UFO Reporting Centre.
 ………………………………………………………………………………..
She doesn’t keep the refrigerator door closed, so she cannot save the energy.
 ………………………………………………………………………………..
There is much traffic, so the air is polluted by the waste smoke.
 ………………………………………………………………………………...
Ba isn’t fast enough to catch the school bus.
…………………………………………………………………………………