42.The train _________ for twenty minutes.  A.left B.has left C.is leaving D.has been away43.– How many books _____ they ________?  -- Five.But they haven’t finished reading even one.A.did…borrow B.had…borrowed C.will…borrow D.do…

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42.The train _________ for twenty minutes.  A.left B.has left C.is leaving D.has been away43.– How many books _____ they ________?  -- Five.But they haven’t finished reading even one.A.did…borrow B.had…borrowed C.will…borrow D.do…
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42.The train _________ for twenty minutes.  A.left B.has left C.is leaving D.has been away43.– How many books _____ they ________?  -- Five.But they haven’t finished reading even one.A.did…borrow B.had…borrowed C.will…borrow D.do…
42.The train _________ for twenty minutes.
  A.left B.has left C.is leaving D.has been away
43.– How many books _____ they ________?
  -- Five.But they haven’t finished reading even one.
A.did…borrow B.had…borrowed C.will…borrow D.do…borrow
44.He has ________ the room for two hours.
  A.left B.gone C.been away D.been away from
45.His father _______ for two years.
  A.died B.has been dead C.had died D.has dead
以上怎么选

42.The train _________ for twenty minutes.  A.left B.has left C.is leaving D.has been away43.– How many books _____ they ________?  -- Five.But they haven’t finished reading even one.A.did…borrow B.had…borrowed C.will…borrow D.do…
D 可以延续
A 过去式
D 延续性
B 延续性
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D
A
D
B

D
A
D
B

42.D(for twenty minutes是一段时间,所以用延续性动词be away)
43.A(书已经借人)
44.D( for two hours是一段时间,所以用延续性动词be away(from),因为有 the room 是宾语所以要选D.)
45.B( for twoyears是一段时间,所以用延续性动词be dead)