题目内容

because they could write and _9_ written

A. left
B. gave
C. leave
D. send

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根据《水污染防治法》, 与建设项目主体工程同时设计、同时施工、同时技人使用的水污染防治设施,应当经过()验收,验收不合格的,该建设项目不得技人生产或者使用。

A. 建设行政主管部门
B. 省级人民政府
C. 县级以上人民政府
D. 环境保护主管部门

—I‘ve been told to pay the rent —But it‘s already been pai

A. It ______ by someone else
B. must be
C. may be
D. must be paid
E. must have been paid

_18_ his umbrella

A. set up
B. gave up
C. send up
D. picked up

and continued _19_ his way to the university

A. on
B. for
C. by
D. with

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