A. so B. and C. but D. for

— Really? Amazing!

A. Look out

B. Believe it or not

C. No problem

D. That is it

A. and B. but C. or D. till

【题目】Many charities raise money _______ children in poor areas.
A.help
B.to help
C.helping
D.helped

--- .

A. Have a good time. B. Good luck. C. Come on.

【题目】_______ he was sleeping, Sam knocked at the door.
A.While
B.During
C.As
D.If

【题目】—What do you think of the book, Nancy?
—I think it's both useful and _______.
A.enjoyable
B.enjoys
C.enjoyment
D.enjoyed

This is a _______ _______ term.

【题目】It's necessary to keep the water from _______.
A.polluting
B.be polluted
C.being polluted
D.polluted

A. higher and higher B. more and more high C. high and high D. more and more highly