1 . 事实是我们很幸运，随时都能得到干净的水，但世界各地的许多人并非如此。
__________________ we are lucky enough to have clean water whenever we want, but this is not the case for many people around the world.

2 . 这就是我一定相信你会保守此秘密的原因。
____________ I must trust you to keep this secret.

3 . The amazing thing about the spring is ________ the colder the temperature gets, the hotter the spring! (用适当的词填空)

5 . The subway is _______ people call the underground in London. (用适当的词填空)

6 . ________makes it striking is ________ it shows a thin figure with an ________ (express) of fear. （所给词的适当形式填空）

7 . For me, the most exciting moment was ____I was informed that I won the first prize in the English contest.

A．which

B．when

C．what

D．that

8 . Determination and devotion is _____it takes to allow you to be successful.

A．that

B．what

C．how

D．when

9 . The question is ______we can find the proper solution to help us out of the trouble.

A．if

B．whether

C．that

D．what