This coat will lose its color ___________ it's washed.
#80326
A
as
B
after
C
until
D
while
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It’s really unwise of some teenagers from low-income families to spend a large sum of money on Apple products ______ they could buy other cheaper brands.
#30826
A
unless
B
when
C
so that
D
in case
The days ____we spent together on the farm are not easy ______．
#34475
A
when,toforget
B
which, to be forgotten
C
that, to forget
D
/,to be forgotten
______ the Internet is of great help, I don’t think it’s a good idea to spend too much time on it.
#32459
A
If
B
As
C
Because
D
While
The dancers, all of _______ masks came off suddenly, gave us a great surprise.
#32153
A
their
B
whose
C
which
D
whom
We haven't settled the problem of ________ it is necessary for him to study abroad.
#30307
A
why
B
whether
C
what
D
how