We must know what we should do and what we should avoid _______ a good impression on others in public places.
#88902
A
to leave
B
leaving
C
to have left
D
leave
推荐题目
To be admitted to a key university, _______.
#93091
A
our parents always impress on us the importance of hard work
B
some universities attach great importance to students’ grades
C
all the students in senior 3 are making every effort to study hard
D
good grades are quite necessary