He made three good friends in the university, ______ joined the army after graduation.
| A．one of them | B．one of whom | C．one | D．one of which |
The teacher propose that Jack ___ maths or physics instead of English because he was quick at numbers.
| A．must study | B．could study | C．studied | D．study |
This is a very serious matter and the Chinese Academy of Sciences is trying to public awareness about it.
| A．lift | B．rise | C．raise | D．arise |
Not only I but also Jane and Marytired of having one examination after another.
| A．is | B．are | C．am | D．be |
They want a house, we would rather live in a flat.
| A．and | B．whereas | C．so | D．when |
— Linda didn’t invite us to the party. — ______? I don’t care.
| A．For what | B．So what | C．What’s on | D．What’s up |