Experts believe ______ people can waste less food by shopping only when it is necessary.  
#78858
A
why
B
what
C
where
D
that
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Father’s Day is coming, I’m thinking about ______.
#37112
A
what present will I give him
B
where we had a big meal
C
how I will give him a surprise
D
if I planned a party for him
—I want to know ________ next week,Mum.—If I know about it, I will tell you at once.
#36561
A
when my uncle comes
B
when will my uncle leave
C
where my uncle will stay
D
where does my uncle stay
The interviewer asked Detective Lu _______________. 
#37663
A
where was the body
B
when did the Valley Town murder take place
C
that he had heard of the murder
D
how many crimes he had solved