Nowadays，it is common to see people staring at their mobile phones instead of reading a real book，＿＿＿＿＿＿many experts are worried．
#75642
A
when
B
for which
C
where
D
about which
推荐题目
Now she is considering taking some weight-loss pills, _______ she thinks will help her become slim.
#77256
A
which
B
that
C
what
D
who
The foreign expert put forward a plan at yesterday’s meeting, _____ all the people present spoke highly of.
#78485
A
that
B
what
C
which
D
when
A greenhouse is a building _______ of glass _______ for keeping plants warm when the outside temperature is low..
#78521
A
made, which is used
B
which is made, is used
C
made, being used
D
is made, used
It was a time ________ volunteers from all over the world visited this nursing home regularly.
#77070
A
which
B
what
C
where
D
when
Our neighbor offered to look after our baby yesterday when we were busy, _____is often the case.
#75738
A
it
B
that
C
which
D
as