1 . Respect is not one-way traffic but mutual, and that might be          we fight back in the trade friction against the USA   .

A．where

B．because

C．why

D．how

2 . What the doctors really doubt is ________ the patient will recover from the serious disease soon.

A．whenever

B．if

C．whether

D．that

3 . Mr. Darcy is quite rich but too proud, and that’s_________ Elizabeth doesn’t like him.

A．how

B．which

C．what

D．why

4 . Patience is a good virtue and that’s ______ it takes to do anything well.

A．where

B．which

C．what

D．how

5 . _______ is even more important is ________ we should do more exercise, which can keep us energetic.

A．What ;that

B．What ;what

C．That ;what

D．That ;that

6 . —These days I feel exhausted and lack strength.
—That’s _____too much drinking and poor diet lead.

A．what

B．which

C．to which

D．where

7 . Everyone on this planet is different, and that's______   makes it such a beautiful place.

A．When

B．how

C．what

D．why

8 . —What a mess! You are always so lazy!
—I’m not to blame, mum. I am ________ you have made me.

A．how

B．what

C．that

D．who

9 . ______, as a matter of fact, has been put forward at the conference is ______ the government should motivate the graduates to set up their own business.

A．What; that

B．It; what

C．What; what

D．That; that

10 . One of the proudest moments in my life is ________ I was rewarded for my courage after saving a drowning child.

A．that

B．when

C．what

D．which