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.

admin2014-03-21  67
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 句型 It is time that 后面的动词应使用过去时。
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