Disthinguished guests and friends, welcome to our school! ________the ceremony of the 50th anniversary this morning are our alumni (校友) from home and abroad.
| A．Attend | B．To attend | C．Attending | D．Having attended |
I’m sorry, Bill. I _________ the book to you last week, but I was so busy that I forgot to do so.
| A．must have returned | B．could return | C．should have returned | D．might return |
They gave a(n)________broadcast while the performances were in process on the stage.
| A．lively | B．alive | C．living | D．live |
My father enjoys his spare time by reading newspapers or________to music.
| A．listening | B．listens | C．to listen | D．listen |
__________ you work harder than before, you will pass this exam.
| A．As soon as | B．As long as | C．As if | D．Even if |
____ H1N1 flu from spreading, our government has taken some effective measures.
| A．Prevent | B．Preventing | C．Prevented | D．To prevent |