Choose the best answer from the choices given:
1. When they arrived at the airport, the plane _____
A. already set off B. set off already
C. had already set off D. has already set off
2. The moon _____ around the earth.
A. move B. moves C. will move D. has moved
3.If I _____ you, I would give up the job.
A. am B. be C. was D. were
4._____ there be life on Mars?
A. May B. Can C. Might D.Ought
5.She pretended not _____ interested but her eyes betrayed her.
A. to be B. be C. being D. been
6. He aimed his gun _____ me.
A. to B. at C. on D. into
7.Stay _____ have dinner with us, will you?
A. to B. or C. and D. here
8.You can use my car, _____ you promise to be back before lunch.
A. as for as B. as much as
C. as good as D. as long as
9.Mary listened carefully _____ she might dicover exactly what John wanted.
A. so as that B. in order that C. in case D. provided