We should study the new traffic rules and 1earn how___________ ourselves．
#49689
A
protect
B
to protect
C
protecting
D
protected
推荐题目
Stop_________! I have_______ to tell you.
#49739
A
talking, something important
B
talking, important something
C
to talk, anything important
D
to talk, important anything
—What should I do, doctor? —______healthy, you should take more exercise.
#50576
A
To keep
B
Keep
C
Keeping
D
Kept
As Jack left his membership card at home, he wasn't allowed_______ into the sports club.
#49422
A
going
B
to go
C
go
D
gone