The business was _____ by the grandfathe_爱下问搜题

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问题选择题

The business was _____ by the grandfather of the present boss.[ ]

A. put up

B. taken up

C. set up

D. built up

答案

答案：C

选择题

Sarah pretended to be cheerful, ________ nothing about the argument.[ ]

A. says

B. said

C. to say

D. saying

填空题

引发剂损耗原因：（）、（）。