How to control housing price is said to a great challenge facing the government over the p

发布时间：2020-08-16 17:15:11

How to control housing price is said to      a great challenge facing the government over the past few years.
A. bee
B. being
C. have bee
D. be being

网友回答

A. bee
B. being
(答案→)C. have bee
D. be being
解析：本题考查非谓语动词。题中考查不定式的时态，根据语境：已经成为一个巨大的挑战。故用不定式的完成时。选C。
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