I was reading attentively in my own room ________ suddenly he knocked at the door.
#33711
A
when
B
while
C
then
D
as
推荐题目
Natural disasters are happening more frequently than before; the whole world should work together to respond.
#30707
A
moreover
B
effectively
C
meanwhile
D
consequently
They are also worried _________ all the students are able to make good use of the spare time after school.
#33690
A
about
B
whether
C
that
D
what
He failed in the exam, and I wonder ___ he studied hard in the school.
#80339
A
when
B
that
C
if
D
where
A few people were killed in the fire, but _____ were saved.
#33787
A
the most
B
most of them
C
most of whom
D
most
The natives could live for thousand years in the desert land _______ a foreigner could starve.
#34589
A
on which
B
which
C
in that
D
where