初中英语连词成句单选题

Stephen Hawking can’t walk or even speak，_____he has become very successful.

A．but

B．and

C．or

D．then

We should protect the earth，         we will have no water to drink．

A．so

B．or

C．and

D．but

Making friends is not easy. Sometimes it can take years      you become true friends with someone.

A．before

B．after

C．because

D．Unless

I ______ believe it _______ I see it with my own eyes.

A．won’t; and

B．will; but

C．will; until

D．won’t; until

You can’t watch TV         you finish your homework.

A．before

B．if

C．while

D．as

Jack spends much money on hooks he is not so rich.

A．though

B．when

C．if

D．because

___________ they have some opposite views, they all think Chinese medicine is helpful.
A. Until                 B. Although             C. Since

He has been collecting coins _______ he was seven years old.

A．because

B．while

C．when

D．since

I haven’t gone back to my hometown _______I left it in 1993.

A．when

B．since

C．as

D．till

一Have you read today’s morning paper?
－Not _______. What’s the latest news?

A．only

B．yet

C．ever

D．just

I am sure I will do it well __________you give me this chance.

A．if

B．before

C．until

D．though

Tom didn’t understand the text ________ the teacher explained it to him.

A．when

B．while

C．until

D．since

I usually sleep with the window open _____ it’s very cold.

A．until

B．unless

C．when

D．if

Keep off the drugs（毒品）,         you and your family will be in great danger?

A．and

B．or

C．but

D．so

—Will you please give the dictionary to Jane?
—Sure. I’ll give it to her       she arrives here.

A．before

B．until

C．because

D．as soon as