If this bridge can't be repaired, ____ will mean no food will be transported to the flooded areas.

A. what B. it

C. as D. which

Sometimes people just believe what they see, ______the reality may be different.

A. as if B. even though

C. since D. unless

- What should I wear to attend his wedding party?

- Dress_____ you like.

A. which B. however

C. whatever D. how

The player won our respect ______ he was far behind the others.

A. ever since B. so that

C. even though D. as though

______he wants to write back,we have sent a stamped addressed envelope.

A. Unless B. Even if

C. In case D. As long as

The family were holidaying in the country _______ the rain poured down.

A. when B. as

C. while D. since

She says that she’ll have to close the shop ________ business improves.

A. if B. unless

C. after D. when

We need some more facts and figures ______ we make the final decision.

A. since B. before

C. after D. until

____ you call me to say you are not coming, I will see you at the theatre at five this afternoon．

A. Though B. Whether

C. Unless D. Until

You had better book rooms at the hotel in advance you should find no room on your arrival.

A. so that B. even if

C. in case D. now that