Question

1 Did you see the plane go into the sky
a) back b) down c) up
2 If you need to take a break, just pull
the road.
a) off b) down c) up
3 Please can you go to the basement
for me?
a) down b) off c) up
4 Did they set on time last night?
a) back b) off c) down
5 I really don't want to turn after all
this time!
a) up b) off c) back​

Answer 1

1. up

2. pull down

3. down

4. back (меня оно немного смущает, поскольку set off означает отправились, а set back вернулись и не могу понять из контекста)

5. back