Recently a survey ____ prices of the same goods in two different supermarkets has caused a heated discussion among citizens.
#92248
A
comparing
B
compared
C
compares
D
being compared
推荐题目
While watching television, ____.
#96009
A
the doorbell rang
B
we heard the doorbell ring
C
there was someone knocking at the door
D
the doorbell was ringing
______ , the players began the game. 
#95708
A
Having taken our seats
B
Taking our seats
C
Being taken the seats
D
After we had taken our seats
 I was supposed to _______ all my shopping by now, but I still have a great many to buy. 
#96807
A
to have finished
B
to finish
C
to be finishing
D
to have been finished
Please make my excuse at tomorrow's meeting. I've got too much work _____.
#98073
A
to do to come
B
doing coming
C
to do coming
D
doing to come