The manager, _______ it clear to us that he didn't agree with us, left the meeting room.
#98456
A
who has made
B
having made
C
made
D
making
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–What’s new on the Web?--Look!An amber(琥珀)______ the ancient spider’s web. 
#92926
A
containing
B
to contain
C
having been contained
D
being contained
How dirty the windows are! They really require _______.
#96818
A
to clean
B
being cleaned
C
to have cleaned
D
cleaning
_________ smoking, he would not have got cancer in the lung.
#92488
A
Was he given up
B
Had he given up
C
Did he give
D
If he gave up