Everyone has periods in their lives __________ everything seems very hard.
#73734
A
when
B
where
C
which
D
that
推荐题目
My neigh bours used to give me a hand in time of trouble, _______ was very kind of them.
#73830
A
who
B
which
C
that
D
it
(2013·高考辽宁卷)One can always manage to do more things，no matter________full one’s schedule is in life.
#67415
A
how
B
what
C
when
D
where
The single most important factor ____ contributes to success is _____ you do every single day．
#71877
A
that; that
B
which; what
C
which; what
D
that; what
He has made another wonderful discovery,___ of great importance to science.
#73562
A
who I think it
B
which I think it is
C
that I think is
D
which I think is