1 . It is after all we ________ are the visitors to their world. (用适当的词填空)

2 . It was playing computer games ______took the boy a lot of time that he ought to have spent on his lessons.

A．that

B．what

C．which

D．it

3 . 我们是因为他的勇气而钦佩他。（强调句）（汉译英）

5 . It was _________ he said _________ disappointed me.

A．what; that

B．that; that

C．what; what

D．that; what

6 . It was only when he finally drifted off to sleep ________ the headaches eased. (用适当的词填空)

7 . It was his brave heart and strong faith ________ could make something unusual happen finally. (用适当的词填空)

8 . It was not long before she was born ________ her mother died. (用适当的词填空)

9 . It is eating too much junk food ________ makes him overweight. （用适当的词填空）

10 . It’s in the Summer Olympics _________ you have the running races, together with swimming, sailing, etc.（用适当的词填空）