I must a_____________for not being able to meet you at the station.

Three-fourhs of the land　　　 by forest and grass．

　 A．has covered　　　　　　　　 B．has been covered

　 C．have been covered　　　　　 D，are to be covered

---I’m afraid I can’t finish the book within this week.

--- ________.

Take your time　 B. That’s right C. Not at all　　 D. Please go ahead

我们的村子坐落在一个群山环绕的峡谷中，很少有污染。

Our village lies in a valley __________by mountains, seldom ___________.

I was given three books on cooking，the first　　　 I really enjoyed.?

A.of that　　　　　 B.of which　　　　　 C.that　　　　　　　 D.which

Jack is late again. It is ___ of him to keep others waiting.

A. normal　　　　 B. Ordinary　　　 C. common　　　　　 D. typical

— Are you still thinking about yesterday’s game?　　

— Oh, that’s ________.

A. what makes me feel excited 　　　 B. whatever I feel excited about

C. how I feel about it 　　　　 　 D. when I feel excited

Madam Curie was the first woman_____ two Nobel Prizes.

A to win　　　 B winning 　　　 C won 　　　　　 D. who winning

He _____the problem _____in his mind for a whole week before he did anything about it.

A. switched; on　　　 B. kicked; up　　　 C. turned; over　　　　 D. took; on

My mother is always warning me when I go out,”Don’t get off the bus 　　 it is stopping.”

A、until　　 B、before　　　 C、while　　 D、after