2. 外语
  3. I was very sleepy. I tried ______ my eyes open but I couldn’t.

I was very sleepy. I tried ______ my eyes open but I couldn’t.

admin2012-02-26  44
问题 I was very sleepy. I tried ______ my eyes open but I couldn’t.
选项 A、keeping
B、having kept
C、to have kept
D、to keep
答案D
解析 try to do sth.意为“努力做某事”；try doing sth.意为“试着做某事”。B、C两项时态不对。根据题意选D。
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