I promise that you _____ have five dollars if you clean all the windows.

A. could      B. might      C. shall       D. should

I bought a dress for only 10 dollars in a sale; it was a real _____.

A. exchange    B. bargain    C. trade    D. business

A NASA experimental jet, the X-43A, flew at a world-record speed---11,260 kilometres an hour on November 17. This speed is ____ as that of sound.

A. as ten times fast       B. ten times so fast

C. ten times as fast       D. ten times faster

--How far away do they live?

--_____ I know, they live in the same neighbourhood.

A. As long as          B. As far as

C. As well as          D. As often as

He goes to visit his mother ,who is living in the country , every _________ weeks.

A. fourth           B. other        C. few          D. a few

A quarrel ____ between Jack and the coach, which made him _____ the football team.

   A. was broken out…break away    B. broke out…break away from

   C. was broken away…break out    D. broke out…to break away from

 He doesn’t work hard at English. ______ , he wouldn’t find it difficult to learn now.

   A. Otherwise     B. Therefore     C. however     D. thus

____ is no possibility ____ our team will win the final match.

   A. It…that            B. It…which

   C. There…that      D. There…which

It is reported that two schools, _____ are being built in my home town, will open next year.

A. they both              B. both of them

C. which both           D. both of which

No sooner had the spaceship been _____into space than it exploded, killing all the crew members _____.

A. put up …aboard                  B. launched… on board 

C. sent up …on the board        D. taken off… on board