It’s better ____ your voice down in public places.
#49478
A
keeping
B
to keep
C
keeps
D
keep
推荐题目
________to the zoo, turn left when you come to the crossroads.
#50685
A
Get  
B
Getting
C
To get  
D
To getting
 —Christmas is coming. Don’t forget _______ my best wishes to your family.—OK, ______. Thank you very much. 
#50635
A
to give; I don’t
B
to give; I won’t
C
giving; I won’t
D
giving; I don’t
It takes her about 20 minutes _______to school.
#48986
A
get
B
gets
C
getting
D
to get