While watching television,          .
#88583
A
the doorbell rang
B
the doorbell rings
C
we heard the doorbell ring
D
we heard the doorbell rings
推荐题目
Madame Curie is believed _______ radium.
#96123
A
discovering
B
having discovered
C
to have discovered
D
to discover
 In the traffic accident, his father came close to_______
#98954
A
be killed
B
being killed
C
kill
D
killing
The fireman told us the troubles they had ________ the fire ________.
#88833
A
getting; controlled
B
got; controlled
C
got; controlled
D
getting; to control