Question

Mr. Bo _____ for half a month. He’ll come back in two months.

1. A.
   left
2. B.
   leave
3. C.
   has left
4. D.
   has been away

Answer 1

D
試題分析：句意：Bo先生已經(jīng)離開了半個(gè)月了，兩個(gè)月之后他將回來。句中有表一段時(shí)間的狀語for half a month，謂語動(dòng)詞要有延續(xù)性，leave 改為be away,故選D.
考點(diǎn)：延續(xù)性動(dòng)詞和非延續(xù)性動(dòng)詞
點(diǎn)評(píng)：延續(xù)性動(dòng)詞與表示一段時(shí)間的時(shí)間狀語連用。非延續(xù)性動(dòng)詞向延續(xù)性動(dòng)詞的轉(zhuǎn)變熟記一下幾個(gè)：
leave --- be away,  borrow --- keep,  buy --- have,  begin/start --- be on,      die --- be dead, leave --- be away from, fall asleep --- be asleep