We must study hard, because we shouldn’t
题型:选择题
问题:
We must study hard, because we shouldn’t _______ our parents _______ .
A.make; down
B.let; up
C.help; happy
D.let; down
We must study hard, because we shouldn’t _______ our parents _______ .
A.make; down
B.let; up
C.help; happy
D.let; down