I came ________ him as well as ________ of the truth.

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A．seeing, to learn

B．seeing, learning

C．to see, learn

D．to see, to learn

 Mary graduated from college at a very young age.

 She ________ have been an excellent student.

[　　]

  Do you need more water in the bottle?

 No, it's _______.

[　　]

________ I know, he'll be away for three months.

[　　]

Unable to ________ ,the patient just shook his head when ________.

[　　]

A．talk, speaking

B．speak, spoken to

C．speak, told

D．say, speaking

Little Tom should be ________ to the zoo this afternoon.

[　　]

 He promised to come to see you.

 But he ________. I have been alone.

[　　]

This kind of actors ________ easily found, directors of the kind ________ scarce.

[　　]

I'm surprised to find the editor is a girl ________ 13, who began to be a journalist ________ 10.

[　　]

A．at ,at the age of

B．of, at the age of

C．aged, at the age of

D．aging, at

Such problems ________ pollution and heavy traffic ________ becoming more and more serious.

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