--- Why is Jenny still standing there? It’s so cold.
—She _____ for someone.
A.can wait | B.might have waited | C.must be waiting | D.should have waited |
Mr. Alexander doesn’t just write for fun; _______, writing is his bread and butter.
A.at last | B.in fact | C.in a word | D.as a result |
He sent me an e-mail, ________ to get further information.
A.hoped | B.to hope | C.hoping | D.hope |
---Mr. Smith must know a lot about Chinese history.
---________. He has studied it for years.
A.So he does | B.So does he | C.So he must | D.Yes, he must |
While watching television, ________.
A.the doorbell rang | B.the doorbell was rung |
C.we heard the doorbell ring | D.we heard the doorbell rings |
In our factory there are 2,000 workers, two thirds of _______ are women.
A.them | B.which | C.whom | D.who |