1 . ---_________ makes your son feel blue today?
---_________ to watch his favourite cartoon Paw Patrol.

A．What it is that; To be forbidden	B．What is that; Forbidden
C．What is it that; Being forbidden	D．That is what; Having forbidden

2 . When I try to understand _____prevents so many Americans from being as happy as one might expect, it seems to me that there are two causes.

A．what it is that

B．that it is what

C．it is what

D．what is it that

3 . It was at 3 in the morning ________ the earthquake happened. Hundreds were killed, with a lot ________ in the ruins.

A．that; buried	B．when; buried
C．that; burying	D．when; burying

5 . It was President Xi Jinping_______visited the navy troops on April 19 and urged that naval force_______.

A．who; strengthen	B．whom; strengthen
C．who; be strengthened	D．who; to strengthen

6 . Do you think ________ true that ________is hard work that leads to success?

A．it; it

B．it; what

C．that; it

D．what; which

7 . It was only after experiencing the failure________ he began to train seriously and he won the championship in the 400-metcr freestyle a year later.

A．when

B．whether

C．that

D．which

8 . Fanny asked ________ made that odd ­looking little cat so popular.

A．what was it that	B．what was that
C．what it was that	D．what that was

9 . It was the belief ________ he could find his “root” in Africa ________ made Alex decide to go to Gambia.

A．that; where	B．where; that
C．that; that	D．how; which