1 . The         why Alice didn’t turn up was not made clear.

A．cause

B．matter

C．reason

D．truth

2 . The cook is         we dropped in the other day.

A．whom

B．on whom

C．the one

D．the one on whom

3 . Hathan Hale,          the British guard had found the maps of the British army’s defense works, faced his enemy bravely.

A．in whose boot

B．in which boot

C．whose boot

D．which boot

4 . Anybody ________ feels tired should wear energetic colors.

A．where

B．which

C．who

D．whose

5 . —Nowadays WeChat is very popular among friends.
—Yes. It seems to be the best way of communication ________ people like.

A．that

B．which

C．who

D．where

6 . Our teacher took us to the museum ______ an exhibition on Chinese art was held.

A．which

B．where

C．when

D．that

7 . You need to ______ your studies if you want to make greater academic progress.

A．concentrate on	B．show respect to
C．stay in touch with	D．keep an open mind to

8 . ______, my boy. You can’t expect to finish all the work in such a short time.

A．Kill two birds with one stone	B．Rain cats and dogs
C．Hold your horses	D．Brave the elements

9 . One mistake will probably lead to another one. This is called a chain ______.

A．creature

B．solution

C．reaction

D．advance

10 . Of the five passengers on the crashed plane, only one ______.

A．survived

B．recovered

C．apologized

D．improved