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 . China has a larger population ________.

A．than that of America

B．than America

C．as America

D．than American

7 . After the economic crisis, this company was in serious ______ difficulties.

A．historical

B．abnormal

C．financial

D．pessimistic

8 . ________ with international experts with the aim of encouraging further archaeological research, Fan Jinshi worked tirelessly ________ that Dunhuang was protected.

A．Cooperating; to make sure	B．To cooperate; to make sure
C．Cooperating; making sure	D．To cooperate; making sure

9 . Yuan Longping tried ________ rice hybrids with different ways, ________ that his attempts were unsuccessful.

A．to create; only discovering	B．creating; only to discover
C．to create; only to discover	D．creating; only discovering

10 . Many ________ have achieved success started out with a ________ start.

A．which; fault

B．who; fault

C．which; false

D．who; false