had been sent
made
became
launched

had already been

had flown
walked
put
had already sent

was established
had already travelled

2. Had these moments already happened when the following people were
born? Add the missing dates of birth to the box, then choose an event from
the timeline. Ask and answer questions about that event with a partner.

2002

1967

that
who
where

which
that
x

which
that
which
that
x

when

4. Combine each pair of sentences into one, using the prompts provided.
1. The class watched a film yesterday. The film was about the Apollo 13
space mission.
→ The film _________________________________________________
which/that/X the class watched yesterday was about the
Apollo 13 space mission.
2. We read about an astronaut. The astronaut travelled into space in 1961.
→ We read about____________________________________________
an astronaut who travelled into space in 1961.
3. This is the man. He works for NASA.
→ This is the man ___________________________________________
who works for NASA.
4. The team plays on the left. The team has never won the championship.
→ The team________________________________________________
who/that plays on the left has never won the championship.
5. This article describes a ground-breaking space mission to land on a
comet. The mission is called Rosetta.
→ The ground-breaking space mission __________________________
which/that/X this article describes
is called Rosetta.
6. The Rosetta mission has a task. The task is comparable to a fly trying to
land on a speeding bullet.
→ The task which/that/X
________________________________________________
the Rosetta mission has is comparable to a fly
trying to land on a speeding bullet.