4.   不管你来不来，我们今天下午都要去爬山。

____________ __________ __________  you come, we will go to the mountains this afternoon.

3.   请把这台电脑联上因特网。

Please ________    this   computer _________  the Internet.

2.   我们必须关注环境。

We should _____________  __________ __________  environment.

1.   两位获胜者有一些共同的好习惯。

The two winners have some good habits __________ __________ 

5.   ―Can you tell me your secret to language learning?

―We should create an___________ in what we learn.

A. interest          B. interesting

C. interested         D. interests

4.   I think they will lose the game______________   they try their best.

A. if        B. whether  C. unless   D. or

3.   Don't be afraid of mistakes. We can learn a lot _______ them.

A. to       B. from        C. with         D. of

2.   You will _________    if you study for a long time without a rest.

A. learn well        B. be active

C. get bored         D. be interested

1.   I don't know _______ to become a good language learner. Can you give me some advice?

A. how        B. what    C. where       D. who

5.   I learn all the subjects well by ________________ (ask) others questions.