— No one can answer the question _______ we can complete the task in time, do you know? — Yes, and this is because we don’t know the way _______ the scientist used last time．
#69635
A
whether; which
B
if; which
C
whether; in which
D
if; in which
推荐题目
The new system is better _________ it provides faster access to the Internet.
#69423
A
in that
B
in which
C
that
D
where
As far as I see, ______ is no possibility ______ he will win the tennis match this time.
#73003
A
it;that
B
there; that
C
it; whether
D
there; whether
One generation plants the trees under shade another generation rests.
#68643
A
which
B
where
C
whose
D
what
One possibility is that tears get rid of certain chemicals from your body _____ build up during stress.
#66578
A
to which
B
that
C
where
D
in which