语法词汇练习 语法大全 语法详解 英语听力 
  —May I go out to play soccer ball?—I’m afraid not. You can’t play __ you have finished your homework.
#56921
A
after
B
when
C
of
D
unless
下一题
推荐题目
The box was too heavy for me to carry, ＿＿＿I pulled it into my room. 
#58343
A
so
B
and
C
but
D
or
---- Hurry up ! The bus is coming . ----- Wait a minute. Don’t cross the street_________ the traffic lights are green.
#55728
A
since
B
after
C
while
D
until
---__________was your vacation? ---Very good.
#56269
A
What
B
Where
C
When
D
How
It’s a lovely day today!  ______ go out for a walk?
#56989
A
Why don’t
B
Why not you
C
Why not
D
Why
Work hard, _______ you won’t do well in the exam.
#58161
A
and
B
but
C
because
D
or