Who do you think ________ the first to step into the field?

[　　]

If the pen isn't yours, ________?

[　　]

He got wet all over, so I ________ his clothes.

[　　]

--How do you deal with the disagreement between the company and the customers.

--The key ________ the problem is to meet the demand ________ by the customers.

[　　]

A. to solving; making

B. to solving; made

C. to solve; making

D. to solve; made

The girl said she had been to Shanghai ________.

[　　]

A．since two years ago

B．for ten years

C．ten years before

D．ten years ago

Which of the following sentences is wrong?

[　　]

It was not until an hour later that we ________ what had happened.

[　　]

The girl with her hair _______ up in a strange way ________ be from Guangdong.

[　　]

Was the problem ________ last week about nuclear pollution?

[　　]

He insisted that he ________ to for what I had done to him, but I insisted that I ________ nothing wrong to him.

[　　]

A．be apologized, did not

B．should apologize, should do

C．apologize, did not

D．be apologized, did