--- What’s your question? ---I want to know _________.
#37959
A
how can trees help us
B
how do trees help us
C
how trees help us
D
how can we help trees
推荐题目
Could you tell me __________ the railway station?
#79280
A
how I can get to
B
how can I get to
C
where I can get to
D
where can I get to
In those hard days, we could not leave behind________came to us for help.
#78833
A
who 
B
whomever
C
no matter who 
D
whoever
—Do you know       ? —At the end of July.
#37746
A
how soon is your sister coming back home
B
how often Nancy hears from her pen friend
C
when the meeting will be held
D
when will the new computer game come out
 It is said in Australia there is more land than the government knows ________.
#78807
A
it what to do with
B
what to do it with
C
what to do with it
D
to do what with it
It all depends on _____ you can support us. 
#37447
A
if
B
whether
C
that
D
what