I don’t know          .
#37207
A
what the population of Tianjin is
B
what is the population of Tianjin
C
how much the population in Tianjin is
D
how much is the population in Tianjin
推荐题目
—I don’t know ______ with this problem. It’s too hard. —You can ask Mr Wang for help.
#38878
A
which to deal
B
when to deal
C
what to deal
D
how to deal
.---Well, where did you spend your night that day---At________Grand Hotel.
#78939
A
where it is called Grand Hotel.
B
what is called Grand Hotel.
C
which is called Grand Hotel.
D
that it is called Grand Hotel.
--- Excuse me. Could you tell me ___?---Sorry. I have no idea, either.
#38715
A
what wrong is with him
B
What the matter is with him
C
what was the matter with him
D
what is the trouble with him
—Do you know ________, Jerry?      —Sure.For a week. 
#37687
A
when will Mr. Zhang come back
B
where will Mr. Zhang go
C
how long Mr. Zhang will be in the UK
D
how soon Mr. Zhang will come back
I don’t know ______ Apple iphone4s.   
#38362
A
that she is so crazy about
B
what is she so crazy about
C
why she is so crazy about
D
how she is so crazy about