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--- Let’s go to play football, shall we? --- Sorry, I can’t. I must go over the points the teacher explained ______ I forget them.
#33816
A
after
B
when
C
before
D
since
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____ a computer works is a question ___  not everyone cad answer quickly.
#34313
A
That；which
B
How；that
C
What；which
D
When；that
Everything depends on ________ we have enough time.
#80151
A
that
B
how
C
if
D
whether
It looks ___ it is going to rain.
#80365
A
like
B
as
C
as if
D
even if 
It is so heavy a box _____ no one can move.
#31742
A
that.
B
which.
C
as.
D
what.
I used to love that film_______ I was a child, but I don’t feel it that way any more.
#33003
A
once
B
since
C
although
D
when