— The classroom is ______ clean ______ it was yesterday.
— Sorry, I forgot to clean it.
| A．as; as | B．so; as | C．not as; as | D．more; than |
—Look! The lights in the teachers’ office are still on. Is Mr. Li working?
—No. It _______ be Mr. Li. I saw him leave just now.
| A．may not | B．mustn’t | C．can’t | D．needn’t |
Dr. Green says that these children may find _______hard to think for themselves when they are older.
| A．that | B．it | C．one | D．them |
He didn’t tell me _______.
| A．where he bought the new computer | B．where did he buy the new computer |
| C．where he buys the new computer | D．where does he buy the new computer |
Usually he writes in ink and writes _______ his left hand.
| A．on | B．in | C．by | D．with |
It’s said that more than 100 _________ will attend this meeting in Shanghai.
| A．man teachers | B．woman teachers | C．men teachers | D．womans teachers |