--- Hi, Grandma, why do you look so tired? --- I’m tired. I _______ the cleanin

题型：不详难度：来源：

--- Hi, Grandma, why do you look so tired?
--- I’m tired. I _______ the cleaning all morning.

A．did

B．had done

C．have been doing

D．have done

答案

解析

略

举一反三

--- I’m sorry I won’t be able to go with you.
--- But you _______ me you _________.

A．told; were going to	B．have told; were going to
C．have told; would go to	D．Had told; were going to

题型：不详难度：| 查看答案

28．--- He’s got our tickets.
--- That’s good I____afraid that he them.

A．am; has forgotten	B．was; had forgotten
C．was; forget	D．am; will forget

题型：不详难度：| 查看答案

30．--- Do the Smiths live next door to you?
--- No, but they____.

A．used to

B．used to do

C．used to doing

D．used to be

题型：不详难度：| 查看答案

23. It"s reported that at least one Chinese vessel________in the hands of attackers in Somalia so far.

A．had been

B．has been

C．was

D．Is

题型：不详难度：| 查看答案

27．To shut your eyes to facts．as many of you do,_______foolish．

A．is

B．are

C．are

D．Were

题型：不详难度：| 查看答案