题目内容
---Look at the boy running on the playground. Is it David?
---It ________ be him. I saw him go to the teachers’ office just now.
| A．mustn’t | B．can’t |
| C．couldn’t | D．must |
B
解析试题分析：句意：看看那个在操场上跑的男孩是大卫吗？那肯定不是他，刚才我看到他去了老师的办公室。must,can(could),may(maight) 可以表示猜测，must 表示肯定猜测，用于肯定句，肯定……，一定……；can’t,表示否定猜测，肯定不……，另外can(could),may(maight)，表示可能性猜测，可能……。根据后文描述可知是否定猜测，故选B。
考点：考查情态动词的用法。
Lily finished her work well Mr Wang praised (表扬) her.
| A．too; that | B．so; that |
| C．such; that | D．so; so |
Jenny can speak French __________ native speakers.
| A．as good as | B．so good as |
| C．as well as | D．so well as |
---Why don’t you go out to play, Rose?
---I’m afraid I can’t. I have much homework _______.
| A．do | B．does | C．doing | D．to do |
Scientists from different countries are trying to_____ a good way to solve the energy problem.
| A．keep up with | B．come up with |
| C．catch up with | D．meet up with |
--You ___________to be here an hour ago, but you’ve just arrived.
-- Oh, I’m sorry for that.
| A．are supposed | B．are expected |
| C．were supposed | D．were made |
The Great Wall is _________of Chinese culture.
| A．one of symbols | B．a symbol |
| C．one of the symbols | D．B and C |
I happened to meet an old friend of __________ in the supermarket.
| A．I | B．my |
| C．me | D．mine |
—Do you know the young woman in a red dress?
—Sure. We friends since ten years ago.
| A．were | B．have become |
| C．have been | D．have made |