2. 外语
  3. Only recently______to deal with the environmental problems.

Only recently______to deal with the environmental problems.

admin2018-01-16  90
问题 Only recently______to deal with the environmental problems.
选项 A、something has done
B、has something done
C、has something been done
D、something has been done
答案C
解析 本题考查倒装句的用法。only放在句首时，句子通常要倒装，助动词在主语前面，如：Only in this way can we work out the physics problem(只有用这种方法，我们才能解出这道物理题来)。
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