It is necessary for us________ good habits in our daily life.
#50502
A
keep
B
to keep
C
keeping
D
kept
推荐题目
The policeman warned the driver _______too fast. It was very dangerous.
#49600
A
to drive
B
not to drive
C
driving
D
not driving
The advertisements________on the wall are designed by my sister.
#48792
A
are put up
B
are putting up
C
put up
D
be put up
