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
_________ by the beautiful scenery of the west Lake, the foreigners decided to spend another two days in Hangzhou.
#91854
A
Attracting
B
Attracted
C
To be attracted
D
Having Attracted.
Tom’s mother angrily told him ________ games on the Internet.
#90162
A
not play
B
not playing
C
not to play
D
to not play
The problem referred to at the class meeting, if ______________ in time, will make a bad effect on everyone in our class.
#88417
A
not dealt with
B
not to deal with
C
not being dealt with
D
not dealing with
The old lady who caught a bad cold complained that the doctor was ______ too much for the treatment given to her．
#93656
A
paying
B
offering
C
spending
D
charging
English is difficult________. Nobody can learn to use it in a few minutes.
#94208
A
learning
B
to be learned
C
learned
D
to learn