Experts believe ______ people can waste less food by shopping only when it is necessary.  
#78858
A
why
B
what
C
where
D
that
推荐题目
I didn’t know ______ last year. 
#37019
A
where he lives
B
where does he live
C
where he lived
D
where did he live
–Do you know __________ the Capital Museum?    –Next Friday.
#37428
A
when will they visit
B
when they will visit
C
when did they visit
D
when they visited
Can you tell me the way to the railway station?
#38364
A
where is
B
how can I get to
C
the way at
D
how to get to
 John said that he________ if you ______ help him. I will if I have time.
#37362
A
wonders, can
B
knows, could
C
wondered, could
D
knew, can