1 . —Do you mind if I go out this evening?
—I don’t mind what you do ______you let me know ahead of time.

A．ever since

B．as long as

C．in case

D．even though

2 . How long do you think ________ the computer company brings a new product?

A．it will be before

B．will it be until

C．will it be when

D．it will be that

3 . The shocking news made us realize ________ terrible problems we would face.

A．why

B．how

C．what

D．that

4 . We packed all the books in the boxes________they wouldn't get damaged.

A．as long as

B．as if

C．in case

D．so that

5 . His writing is so confusing that it’s difficult to make out ________ it is he is trying to express.

A．that

B．how

C．who

D．what

6 . We won’t start the work until all the preparations ___________.

A．are being made

B．will be made

C．have been made

D．had been made

7 . Jim ________ in the library every night over the last three months.

A．works	B．worked
C．has been working	D．had been working

8 . Magic shows are interesting ______ the audience does not discover how the tricks are done.

A．as long as

B．so that

C．as if

D．ever since

9 . Jane is in a hurry because the train to the airport leaves _______ half an hour.

A．by	B．in
C．for	D．until

10 . I like this jacket better than that one，but it costs almost three times ________.

A．as much	B．as many
C．so much	D．so many