In order to find the missing child, villagers         all they can over the past five hours.
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A
did
B
do
C
had done
D
have been doing
推荐题目
Who do you think ________ for the accident?
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A
to blame
B
to be blamed
C
is to be blamed
D
is to blame
Mike           with Janet for over one year before they got married.
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A
had fallen in love
B
had been in love
C
has fallen in love
D
has been in love
No sound and no voice______ for a while. 
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A
have heard
B
has heard
C
has been heard
D
have been heard
He is an excellent teacher,so he is ________.
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A
high thought
B
high thought of
C
well thought of
D
good thought of