How do you study _______a test?  I study _______working with friends.
#41369
A
for ; for
B
for ; by
C
by ; for
D
by ; by
推荐题目
—Can you ride a horse, Mike? —No, I ______.
#38077
A
can’t
B
may not
C
mustn’t
D
needn’t
More than two ________ students in this university were chosen as volunteers.
#37720
A
thousand
B
thousands
C
thousand of
D
thousands of