The maths problem is very easy, _____ I don’t think all of you can work it out.
#57103
A
and
B
or
C
so
D
but
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He’s Chinese ____ he has a big nose.
#56164
A
and
B
but
C
so
D
at
You should keep working hard __you have passed the exam.
#57092
A
if
B
because
C
even though
D
when
—Would you mind my___________ here?—___________. We can’t stand it!
#55152
A
smoke, OK.
B
smoking, Certainly not.
C
smoking, Of course.
D
smoking, You’d better not.