We can never forget the days _______ the two astronauts in spaceship worked together and the days ________ we spent together.
#72196
A
when; which
B
which; when
C
what; that
D
on which; when
推荐题目
Is this research center ________ you visited the modern equipment last year?
#73307
A
where
B
that
C
the one that
D
the one where
One can always manage to do more things，no matter________full one’s schedule is in life.
#67079
A
how
B
what
C
when
D
where
Many athletes are clear that the Olympic Games are the only time ________ they will be watched by thousands of millions.
#66801
A
that
B
which
C
where
D
when