I study math by ____ lots of exercises.
#49928
A
did
B
doing
C
do
D
does
推荐题目
 -What did Mr. Green say to his son?      -He told him           .
#48417
A
didn't smoke
B
don't smoke
C
not to smoke
D
not smoke
We have two rooms ________, but I can’t decide ___________.
#48582
A
to live; to choose which one
B
lived ; choose which one
C
to live in ; which one to choose
D
live ; which one
My sister spends as much time as she can_______.
#48623
A
practicing to dance
B
practice to dance
C
practice dancing
D
practicing dancing
What do you plan ________ tonight?
#49182
A
watching
B
to watch
C
watches
D
watched