1 . 无论你去哪个国家旅行，请谨记入乡随俗。(whichever)
________, please keep in mind that when in Rome, do as the Romans do.

2 . 我所有的书都在这里。你可以借你喜欢的书。(名词性从句)
All the books I have are here.You may _________.

3 . ________ the reasons behind wild animals entering our cities, one thing is for sure-as it’s often a means of their survival, they could be with us to stay.

A．However

B．Whenever

C．Whatever

D．Whichever

4 . ______ many children he may have, he will try to make a livelihood for all by their united labour out of the soil, rather than let one of them go to seek his fortune in tire great cities.

A．Whatever

B．Wherever

C．Whichever

D．However

5 . 选词填空（however/whatever/whenever/ wherever/whoever/whichever）
1. ________you work, you should rely on yourself rather than others.
2. _______knocks, don't open the door.
3. You should keep calm ________happens.
4. It takes three hours, ________way you take.
5. _______I have to give a speech, I can get extremely nervous before I start.
6. Your parents still always want to protect you and keep you safe, ________old you are.

6 . 无论你买哪一个，都有两年的保修期。
_____________________, there is a two-year guarantee.

7 . In bringing faraway places closer, VR encourages travelers to embrace sustainable practices ________they choose to go (or not go) in the future.

A．whatever

B．wherever

C．however

D．whichever

8 . 不管买哪个都有六个月的保质期。（汉译英）

9 . Of these approaches ______ works, there seems little hope that NASA, left to itself, will get it right next time.

A．which

B．that

C．whichever

D．whatever

10 . 选词填空（whatever/whichever/whoever/whomever）
1. I'll give the ticket to ________wants it.
2. I don't believe in letting children do________ they like.
3. He was free to marry ________he chose.
4. ________of you comes first will receive a prize.