Tony is busy _______ his homework.
#50470
A
doing
B
do
C
to do
D
does
推荐题目
Before driving into the city, you are required to get your car ____.
#48564
A
washed
B
wash
C
washing
D
to wash
The little boy was last seen __________ football by the river.
#48508
A
to play
B
play
C
played
D
playing
What should I do, doctor? ________ healthy , you should take more exercise.
#48682
A
Keep
B
Keeping
C
To keep
D
Kept