—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
推荐题目
People cut down too many trees, _____ the greenhouse effect becomes more and more serious.
#56516
A
so
B
because
C
although
D
if
—How about joining us in the summer camp? —I wish I could, ___________ I have to practice for the piano test.
#56543
A
because
B
so
C
but
D
although
---You look very healthy. ________do you exercise? -----I exercise three times a week.
#56267
A
How often
B
How many
C
How much
D
How soon