—Mary，I don’t know ____ you can come tomorrow morning.—No problem! I’ll be here _____I’m free then.
#55784
A
if；if
B
if; whether
C
whether；till
D
whether；until
推荐题目
–May I go to the concert with you?– I’m afraid not ______you have a ticket, because I have only one.
#56155
A
since
B
if
C
unless
D
though
____ it was late, the students were still studying in the classroom.
#56176
A
Although
B
But
C
As long as
D
Because of
— _____ Dasan is from Canada, he can speak Chinese very well.— I know he studies Chinese hard.
#58210
A
Although
B
And
C
So
D
But
None of the shoes in the shops are the right size. They are _____too big ____too small.
#55171
A
both, and
B
neither, nor
C
either, or
D
not only, but also