—Did he come back late last night? —No．It was not yet eight o’clock _____________ he arrived home．
#33901
A
before
B
that
C
until
D
when
推荐题目
It remains to be seen ________ this plan is practical enough to keep the project going.
#30340
A
whether
B
how
C
where
D
when
The boy became fatter and fatter each day and __________ made his parents sad.
#33223
A
which
B
what
C
he
D
it
The reason __________ she gave for not finishing the homework is that she was ill.
#31173
A
why
B
what
C
that
D
for