---May I go and play with Tom this afternoon, mum? ---No．You can’t go out ______ your homework is being done．
#33631
A
until
B
after
C
before
D
as
推荐题目
One advantage of playing the guitar is it can give you a great deal of pleasure.
#33798
A
how
B
why
C
when
D
that
A British official said that_____ this impractical policy could be changed , the future for Britain was indeed dark.
#31004
A
unless
B
when
C
if
D
until
_______ you work harder than before, you will pass this module exam.
#32828
A
As soon as
B
As long as
C
As if
D
Even
— Where is my English book?— I brought it to you _____you were in hospital yesterday afternoon.
#80227
A
since
B
if
C
once
D
while
The first decade in the 21st century is the one ______ many significant advances are made in China.
#33572
A
that
B
in which
C
which
D
where