1 . What ________________________________ to the concert last night?
昨天晚上是什么阻止你去听音乐会的啊？

2 . Do you mind ____________ alone at home?
你介意把你一个人留在家里吗?

3 . Everyone watches TV and I think lots of people imagine themselves as actors in the TV shows, so ________ (把两者结合起来) would be great.(根据汉语提示完成句子)

4 . 人们发现很多濒危动物被日夜保护着。(watch over)
People found many endangered animals ________ day and night.

5 . Impossible ________ it is for us to live in an environment free of pandemic, we had better try our best to avoid ________.

A．however; affected	B．though; to be affected
C．although; being affected	D．as; being affected

6 . 即使是在最好的时期靠种地生活也是很艰难的。
________ ________the land was hard enough at the best of times.

7 . The girl is so proud that she can’t stand ___________ down upon.

A．looking

B．to look

C．to be looked

D．being looked

8 . Imagine____________ on an island alone.(leave)
想象一下你弟弟被独自留在一个岛上。

9 . 司机作证说，他看到此人进入那栋大楼。
The driver_________________ the man enter the building.

10 . 母亲把婴儿盖起来为了保护他免受伤害。（汉译英）