There's a voice at the door. Who _________ be?

[    ]

A. must he B. must it C. can he D. can it

That's the ________ subject we are going to talk about this afternoon.

[    ]

A. just B. rather C. quite D. very

The angry boy rushed out ________ I could stop him.

[    ]

A. until   B. while   C. before   D. after

The reason ________ Ms king tried to pretend to be a man was ________ she wanted to get a job.

[　　]

A． why; because 　　 　B． why; that

C． that; because　　　　D． because; that

My sister ________ singing ________ dancing while I would rather dance than sing.

[　　]

A． prefers, to　　　　　　B． would rather, than

C． prefers, rather than　　　D． would rather, to

China was one of the first countries in the world ________ the science of agriculture.

[　　]

A． develop　　　　B． developed

C． to develop 　　　D． be developing

There's no ink in the bottle, because all the ink ________.

[　　]

A． was used up　　　B． has been used up

C． was used　　　　D． has been used

[　　]

A． much advices on　　　B． an advice on

C． the same advices　　　D． several pieces of advice on

You should change crops in your field ________ you can get good harvests year after year.

[　　]

A． so　　　B． as　　　C． as to 　　　D． so that

[　　]

A． of, from　　　B． of, of

C． from, of　　　D． from, from