_______ Mary ______ John has been to China before, but they know a lot about it
#57612
A
Either, or
B
Both, and
C
Neither, nor
D
Not only, but also
推荐题目
David didn’t give up ______ he had failed in the experiment four times.
#58224
A
if
B
while
C
though
D
since
I was just falling asleep ____ there was a loud knock at the door.
#56801
A
while
B
when
C
until
D
as soon as
“They have a lot to eat and drink.” It is a structure of ________.
#57256
A
S+V+P
B
S+V+IO+DO
C
S+V+DO+CO
D
S+V+DO
Little Kate went to the concert ________ it rained heavily yesterday.
#57118
A
even though
B
if
C
until
D
since