Mr. White told us _______ run up and down the hall. 
#67974
A
don’t
B
didn’t
C
not to
D
to not
推荐题目
The number of  the students in our school ________ about 3000 and ______ them study hard.
#67936
A
is, a large amount of
B
are, a number of
C
are, large amount of
D
is, a large number of