( )9.He _______ be out because I saw him go into the house a
2个回答

3.汤姆病了,在医院住了两个星期.

Tom was ill.He was in hospital for two weeks.

4.他总是先人后己.

He always thinks about others before himself.

5.如果你尽力的话,你就能在地理学科上就能取得好的分数.

If y ou _try______your __best_____ ,you can get good grades in Geography.

6,她刚刚熄灭了蜡烛去睡觉了.

She blowed out the candle and went to bed just now.

7.杰克的记性很好,但有时会粗心.

Jack has a good memory_,but sometimes he is careless.

8.我们都认为桑迪应该获得一个奖项.

We all think Sandy should get a prize

9.他要去游泳,而不是踢足球.

He is going swimming instead of(而不是)playing football.

10.汤姆8岁时不会骑自行车.

Tom couldn't ride a bike when he was eight.

( A )9.He _______ be out because I saw him go into the house a moment ago.

A.may not B.must C.can't D.mustn't