Themachinehasbeenusedmanyyears.It'snowonderthatitdoesn'...
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问题详情:
The machine has been used many years. It's no wonder that it doesn't work well ________.
A.regularly B.constantly
C.occasionally D.frequently
【回答】
C 考查副词辨析。occasionally 偶尔; regularly 定期地; constantly 不断地,经常地; frequently 频繁地,经常地。句意:这台机器用了好多年了,难怪(它)偶尔运转不良。
知识点:副词
题型:选择题
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