2. 外语
  3. Jack ______ from home for two days now, and I am beginning to worry about his safety.

Jack ______ from home for two days now, and I am beginning to worry about his safety.

admin2010-02-17  14
问题 Jack ______ from home for two days now, and I am beginning to worry about his safety.
选项 A、has been missing
B、has been missed
C、had been missing
D、was missed
答案A
解析 根据句意和时间状语for two days now，应改用现在完成进行时，因此正确答案是A。
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