單項選擇題Mary forgot()a letter to her mother, so she wrote to her just now.

A.writing
B.to write
C.having wrote
D.to have written


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1.單項選擇題Mr. White has a wife and three children to()

A.raise
B.keep
C.grow
D.take

2.單項選擇題I know it isn't important but I can't help()about it.

A.but to think
B.thinking
C.to 
D.think

3.單項選擇題I think all these are main points()much attention.

A.being worthy of
B.worthy of
C.which worth
D.which worthy of

4.單項選擇題I don't suppose he will attend the meeting,()

A.won’t he
B.will he
C.do I
D.don’t I

5.單項選擇題It's not safe()in the street.

A.to play
B.play
C.playing
D.plays