61. In some restaurants, food and service are worse than used to be.A. theyB. itC. themD.

发布时间：2020-08-16 06:15:34


61. In some restaurants, food and service are worse than      used to be.
A. they
B. it
C. them
D. that

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(答案→)A. they
B. it
C. them
D. that
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