You must finish this foolish business of yours ________.

[　　]

A． as possible as soon 　　　B． as fast as you can

C． as soon as possible 　　　D． as possible as you can

[　　]

A． have you gone 　　　B． have you been

C． were you 　　　    D． did you go

The pen isn't expensive． I guess it cost you 3 yuan ________.

[　　]

A． at most 　　　B． at least　　　C． most 　　　D． mostly

Our teacher told us ________ strong shoes as we would do a lot of ________.

[　　]

A． wearing, walking 　　　B． to wear, walk

C． to wear, walking 　　　D． wearing, walk

[　　]

A． half a year later 　　　B． in half a year

C． half a year after 　　　D． since half a year

Have you had the key ________ this problem?　　　

[　　]

A． of 　　　B． to　　　C． with 　　　D． about

[　　]

A． has been taken 　　　B． was taken

C． were taken 　　　 　D． have been taken

─ ________ will you be ready?

─ In five minutes.

[　　]

A． How long 　　　B． How far　　　C． How soon 　　　D． How often

Let's go shopping together, ________?　　　

[　　]

A． don't we 　　　B． will you　　　C． shalln't we 　　　D． shall we

He must be from the north, ________?

[　　]