They are considering______ they should do the experiment .
#34661
A
weather
B
that
C
whether
D
what
推荐题目
Everyone tells me I’m a good speaker, _____ I really don’t like speaking in public.
#30140
A
and
B
so
C
but
D
or
The new system needs to be in operation for five months ________ it can be updated.
#30274
A
as
B
while
C
before
D
once
Feathers fall to the ground slowly,________ stones fall much faster.
#80177
A
but
B
however
C
while
D
yet
-– I wonder how much you charge for your services.--- The first two are free the third costs $30.
#80672
A
while
B
until
C
when
D
before