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We don’t know _________, maybe at two o’clock tomorrow afternoon.
#38051
A
why will we start
B
how we will start it
C
when we will start
D
where we will go
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 I'd like to know __________or not.
#38218
A
whether will he come
B
if he has come
C
whether he will come
D
that he will come
— Excuse me, could you tell me____________?— There is an e–shop on the third floor. You can repair it there.
#36689
A
where can I repair my iPad
B
where I can repair my iPad
C
how can I go to the e–shop
D
how I can go to the e–shop
Bob doesn’t know ________ to write about.
#37769
A
how
B
that
C
what
D
Where
Scientists study ________ human brains work to make computers.      
#78771
A
when
B
how
C
that
D
whether
Some people care much about their appearance and always ask if they look fine in ______ they are wearing.
#78951
A
that
B
what
C
how
D
which