The scientists are urging that the chemical _____．A．is bannedB．should banC．be ba_刷题宝

题干

The scientists are urging that the chemical _____．

A．is banned

B．should ban

C．be banned

D．must be banned

上一题下一题 0.64难度单项选择更新时间:2013-01-10 09:07:14

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