1 . I ________down to London when I suddenly found that I was on the wrong road.

A．was driving	B．have driven
C．would drive	D．drove

2 . Experts warn that medical waste from hospitals, if ________properly, may lead to spreading diseases.

A．not handled	B．not being handled
C．not to be handled	D．not having handled

3 . —Don’t look down upon Bob. He has his own advantages.
—Oh, yes.         others are weak, he is strong.

A．Before	B．When
C．Where	D．Though

4 . ________ difficulties we may come across, we will help one another to overcome them.

A．However

B．Whenever

C．Whatever

D．Wherever

5 . （2016·北京）My grandfather still plays tennis now and then, 　　　he’s in his nineties.

A．as long as	B．as if
C．even though	D．in case

6 . The books on the desk, covers are shiny, are prizes for us.

A．which

B．what

C．whose

D．that

7 . Video games can be a poor influence if ________ in the wrong hands.

A．to leave

B．leaving

C．leave

D．left

8 . Mr. Black has been teaching English in a middle school _____ he came to China.

A．for ever	B．ever since
C．ever before	D．long before

9 . This is the first time we          a film in the cinema together as a family         
I mention it I feel very happy.

A．see; time	B．had seen; for the time
C．saw; the time.	D．have seen; the time.

10 . Do you know the year ________ the Chinese Communist Party was founded?

A．which

B．that

C．when

D．on which