单项选择题

Most environmental problems exist because adequate measures for preventing them ______ taken in the past.

A. was not
B. were not
C. were not being
D. being not
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单项选择题
Do you regret paying fifty dollars for the dog No, I would gladly pay ______ for him.
A. as much twice
B. twice so much
C. much twice
D. twice as much
单项选择题
Mr. and Mrs. Smith are so excited today, for they bought ______ yesterday.
A. many furnitures
B. so much furniture
C. ninny piece of furniture
D. a lot of furniture
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