1 . 足够的睡眼可以使我们精力充沛，使我们在考试中表现良好。(make sth. + adj.; enable sb. to do sth.)
Enough sleep________________and________________

2 . 他现在能骑自行车了, 但几星期前他不会。 (用情态动词完成句子)
He can ride a bike now, but________________.

3 . 我想了又想,   但我记不起我在哪里买的词典。(用情态动词完成句子)
I have searched my memory, but I ________________ where I have bought the dictionary.

4 . 令粉丝失望的是，因为各种原因，他们只能在远处观看偶像的表演。（due to）（汉译英）

5 . 只有经过足够的训练，你才能掌握一项技能。
_________ with enough training _________ you master a skill.

6 . 选词填空。
1. He ________(must/might) get here in time ,but I can’t be sure.
2. He ________(can’t/mustn’t) have missed the train; he arrrived at the train station two hours early.
3. That must be a mistake. No, it ________(can’t/mustn’t) be a mistake.
4. Paul did a great job in the speech contest. He ________(must/can) have practised many times last week.
5. He ________(may/must) be at his office now, but you’d better make a phone to make sure.
6. Look, someone’s in the room. Who ________(can/must) it be ?
7. It ________(must have /may have) rained last night, for the ground is still wet.
8. I don’t know where she is, she ________(may/must) be in Wuhan.
9. With drones’ ability to see ahead, they ________(could/should ) signal any problem, so that fast -moving trains would be able to react in time.
10. I ________(needn’t/can’t) have bought so much wine -only two people came.

8 . 从某种意义上来说，经济援助可以缩小目前的贫富差距。（narrow）(汉译英)

9 . At the same time, live, detailed maps of Earth’s surface ________ aid humanity in amazing ways. (用适当的词填空)

10 . Whisper Camel-Means, the tribes division manager for the wildlife refuge, said under the Fish and Wildlife Service supervision, the exhibits there previously used a different tribes’ word for bison, which they ________ not accept. (用适当的词填空)