－He says he has an uncle living in America．

－Nonsense．________, his father has no brother．

A．More or less

B．As a matter of fact

C．No matter what he says

D．At least

－I'd like to find a job in the library．

－Good idea．In my opinion, ________ it doesn't affect your studies．

A．unless

B．as long as

C．now that

D．even if

－Look, you forgot to turn off the lights．

－Oh, I did．I ________ do that．

A．will

B．am going to

C．am to

D．am about to

－May I move your bag a little and take this seat?

－________．

A．I don't mind

B．Go ahead

C．It doesn't matter

D．That's all right

The problem is ________ we can do it or not．

A．whether

B．what

C．how

D．that

Samuel Clemcns, ________ Mark Twain, became a famous writer．

A．was known as

B．known as

C．was known for

D．known for

－Can you tell me ________?

－She is Yang Mei's mother．

A．whom is the woman

B．who is that woman

C．that woman is

D．who the woman is

When I saw the Bulgarian ________ his head as he refused my offer of a free ride, I was extremely ________ by the gesture．It was two days later that I was told their gesture of the head of this means the opposite．

A．shaking; amused

B．nodding; confused

C．sharking; confusing

D．nodding; amusing

I'm sorry for ________ you to a lot of trouble．

A．putting

B．taking

C．having

D．giving

They want to make it clear to the public ________ they do an important job．

A．when

B．where

C．that

D．which