2. 外语
  3. It’s time that we ______ firm measures to protect our environment.

It’s time that we ______ firm measures to protect our environment.

admin2021-02-26  68
问题 It’s time that we ______ firm measures to protect our environment.
选项 A、have taken
B、took
C、are taking
D、will take
答案B
解析 在It is(high／about)time(that)…后面应跟虚拟语气，通常用过去时，故B正确。
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