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.

admin2010-01-15  20
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 根据句中的时间状语for two days now，就可知这里需要使用完成时，例如：They have been peddling around the corner for weeks．他们在附近已经叫卖了好几个星期了。另外，需要注意的是，表示“丢失，遗失”时，要用missing或lost，例如：The power of love itself weakens and gradually becomes lost with age，like all the other energies of man．爱
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