My parents live in a small village.They always keep candles in the house　　　　 there is a power out.?

A.if　　　　　 B.unless　　　　 C.in case　　　　 D.so that

In 1778, Banks was elected ________president of _______Royal Society, ________position he held for 42 years

A. /, /, a　　　 B. /, the, a　　　 C. the, /, a　　　 D. the, the, the

Let’s take action together to make our city more beautiful, _____?

    A. won’t we         B. don’t we        C. shall we         　　 D. won’t you

Standing on the top of the mountain is a hotel, ______ we can have a good sleep.

　 A. there　　　　 B. where　　　 C. when　　　 D. which

In the middle of the 19th century,people went to North America on a large ______（规模）.

I don't care what you think.________ I am concerned，what they did was wrong.

A. As well as 　　　　 B. As far as

C. As much as 　　　　 D. As often as

It didn’t _____ him that she would refuse his invitation

A. happen to　

B. adjust to

C. belong to　　　

D. occur to

The primary purpose is to _____ those achievements in biological research _____ the public.

A. make; known by　 B. make; known to

C. make; know to　　　　 D. make; knowing by

Beijing expects China’s rich civilizations to ________ the world with a happy surprise at the opening ceremony of the 2010 Shanghai EXPO.

A. show　　　　 B. attract 　　　 C. present 　　　 D. perform

I’ll be late home—something’s just come ______ at work.

A. to　　　 　　　　　B. up　　　 　　C. out　　　 　　D. over