When _____ who is their best friends, the boys usually hesitate before responding.
#96749
A
asking
B
asked
C
ask
D
to ask
推荐题目
______ by a crowd of fans, he couldn’t move a bit. 
#90621
A
Surrounding
B
Surrounded
C
To be surrounded
D
To surround
I can’t stand ______ with Jane in the same office. She just refuses ________ talking while she works.
#90615
A
working ; stopping
B
to work ; stopping
C
working ; to stop
D
to work ; to stop
My uncle has given up _________. He looks very healthy now.
#96316
A
smoke
B
smoked
C
to smoke
D
smoking
_________in the IT company, David decided to say goodbye and start his own business.
#96943
A
Having ignored
B
To be ignored
C
Ignored
D
Ignoring