【推荐1】Amy didn’t go to bed ________ she finished her homework.

A．if

B．until

C．since

D．because

【推荐2】The teacher speaks very loudly ________ all the students can hear her.

A．when

B．because

C．since

D．so that

【推荐3】The English test is not easy, ________ I think I can do it.

A．and

B．but

C．because

D．so

【推荐1】Nothing will be achieved ________ you take action, no matter how much thinking and planning you do.

A．since

B．while

C．because

D．unless

【推荐2】You mustn’t drive a car on the road ________ you get a driver’s license.

A．unless

B．if

C．since

D．when

【推荐3】You won’t want to visit any other mountain if you have seen the Five Mountains, but you won’t wish to see even the Five Mountains ________ you return from Mount Huang.

A．though

B．unless

C．until

D．after

【推荐1】He hasn't got any hobbies________ you call watching TV a hobby.

A．while

B．unless

C．as

D．so that

【推荐2】Mr. Huang decided to buy that CD player ________ it was expensive.

A．even though

B．so that

C．as soon as

D．as if

【推荐3】As a policeman, Tom’s father is too busy to play with him __________ he expects to.

A．even though

B．so that

C．as soon as

D．as long as

【推荐1】Laptops are smaller and lighter ________ they can be carried very easily.

A．but

B．to

C．so that

D．for

【推荐2】We should protect the environment _______ we can make a better world to live in.

A．so that

B．even though

C．as soon as

D．even if

【推荐3】I sit in the front of the classroom ______ I can hear clearly．

A．so that	B．when
C．while	D．which