2. 外语
  3. If you have really been studying English for so long, it’s about time you ____ able to write letters in English.

If you have really been studying English for so long, it’s about time you ____ able to write letters in English.

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问题 If you have really been studying English for so long, it’s about time you ____ able to write letters in English.
选项 A、should be
B、were
C、must be
D、are
答案B
解析 it is (about)time(that)是一个虚拟语气句型，所跟从句的谓语动词用一般过去式，故B项were为答案。
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