Experts believe________people can waste less food by shopping only when it is necessary.                                                             
#78775
A
why
B
where
C
that
D
what
推荐题目
Many people are wondering ________.  
#37229
A
whether is the meat from the lab bad for their health
B
whether the meat from the lab is bad for their health
C
whether is bad for their health the meat from the lab
D
whether from the lab the meat is bad for their health
— The man _________ was a friends of mine.
#36669
A
you just talked
B
whom you just talked to
C
who you just talked to him
D
which you just talked to
I don’t know________.Because he has to look after his mother.
#37799
A
why he is leaving
B
why is he leaving
C
whether he is leaving
D
whether is he leaving