The boys don’t know ___________.
#38976
A
how do they swim
B
how swim
C
they how swim
D
how to swim
推荐题目
 --- Could you tell me ________?--- It’s twenty minutes by underground.
#38206
A
how can I get to your school
B
how long does it take me to get to your school
C
how far it is from your home to your school
D
how much it costs to get to your school
The students want to know ____ 1,600 words in a month. 
#37656
A
how can they remember
B
how they can remember
C
when could they remember
D
when they could remember
— Could you tell us ____?   —For about two weeks.
#37405
A
how soon you will be back
B
how long you will be there
C
how soon are you going to be back
D
how long are you going to be away