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It is not immediately clear __________ the housing price will go down.
#30574
A
how
B
what
C
that
D
whether
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Bears often hide themselves in places     can’t be found by hunters．
#32669
A
in which
B
where
C
that
D
不填
Scientists say it may be one year or so ________ it is possible to test the new medicine on human patients.
#32551
A
when
B
after
C
before
D
since
. It’s not important __________ you may call it. What is important is __________ you make good use of it.
#33974
A
what; when
B
that; how
C
what; how
D
how; what
______ it rains tomorrow, they’ll go out for an outing.
#31807
A
As if
B
As though
C
Even if
D
Even so
Wang Pin is an orphan.He has no dad ___ mum.
#80408
A
and
B
but
C
or
D
/