(2013·陕西高考)It remains to be seen ________ the newly formed committee's policy can be put into practice.
#30528
A
that
B
which
C
what
D
whether
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Because of the heavy traffic，it was already time for lunch break ________ she got to her office.(2010·四川)
#29962
A
since
B
that
C
when
D
until
Steps must be taken _____ this kind of disaster will never happen again.
#31513
A
because
B
even if
C
so that
D
as
(2012·南京高二检测) Some people are worrying about the possibility _______ mobile phones could be responsible for a range of illnesses, from rashes (皮疹) to brain tumors.
#30086
A
that
B
why
C
how
D
whether
.It is reported that two schools,_______fell into ruins in the earthquake, are being rebuilt and will be open next term.
#34217
A
they both
B
both of which
C
which both
D
both of them