.He suddenly saw what looked like a snake in the darkness. For an instant his heart seemed to stop ______.
#97023
A
to beat
B
beating
C
beaten
D
being beaten
推荐题目
I found him _________ in an armchair, ___________.
#97657
A
sit…and read
B
seated…reading
C
sitting…and read
D
seating…reading
He did nothing but ________walk in the street. 
#95370
A
taking    
B
take    
C
to take    
D
took
____ to reach the headmaster on the phone, the student sent an email instead.
#96434
A
being failed
B
Having failed
C
Failed
D
To fail