—Will Mr. Brown come and play computer games?—No, he has finished, his homework.
#55797
A
when
B
if
C
unless
D
once
推荐题目
—How long have you known the doctor ? — he helped me three years ago.
#58435
A
When
B
Before
C
Because
D
Since
—Mom, shall we have supper now?—Oh, we won’t have supper ______ your dad comes back.
#58373
A
until
B
since
C
while
D
after
You’ll fail your next English exam _______ you work harder from now on.
#55127
A
if
B
whether
C
until
D
unless