1 . The factory produces half a million pairs of trousers every year, 75%          are sold abroad

A．of them

B．of that

C．which of

D．of which

2 . However, Tu Youyou had an idea          Chinese herbs might hold the secret.

A．that

B．which

C．what

D．whether

3 . As you can see, the reason          I’m here to tell you the story is          I made the right decision.

A．that; that

B．that; why

C．why; that

D．why; why

4 . He was late for work this morning. That’s          he got caught in a traffic jam.

A．because

B．why

C．what

D．how

5 . Even though Tu Youyou is not interested in fame, she has become a scientist          work is internationally renowned.

A．which

B．where

C．whose

D．as

6 . One day, my two brothers and I were coming back from the islands          we often risked going and got more fish than others.

A．that

B．which

C．when

D．where

7 . In the dark street, there wasn’t a single person          she should turn for help.

A．to which

B．to whom

C．into whom

D．into which

8 . The restaurant wants a waiter________ can speak French.

A．where

B．which

C．what

D．who

9 . I don’t believe him, no matter ________ he said.

A．what

B．who

C．where

D．how