.________they were singing, the teacher came in.
#72179
A
Before
B
after
C
As
D
Until
推荐题目
The reason _____ he explained is ___ she was ill.
#70045
A
that , that
B
which , that
C
why,because
D
why, that
You can’t play with your rabbit ______ you finish your homework.
#41326
A
because
B
while
C
after
D
until
-—How about your conference?-—Pretty successful．It allowed both sides of us to better understand ____ each stood on many issues．
#66843
A
which
B
that
C
what
D
where
I’m lucky _______ the thing I enjoy doing more is ________ I’ve ended up doing.
#69521
A
what; what
B
what; that
C
that; what
D
that; that