—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
Wang Shasha often acts in TV plays and movies, she does well in her schoolwork.
#58213
A
Although
B
But
C
If
D
So
Good to see you again It's almost three years_____ we met last time
#55585
A
until
B
before
C
while
D
since
If all the plants on the earth die, _______ people _________animals will be able to live.
#56732
A
neither; nor
B
both; and
C
not only; but also
D
either; or
Many people shop on line, ________ years ago, they bought things only from stores.
#57509
A
and
B
so
C
but
D
or