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
 He kept the light in his room ______ the whole night.
#97968
A
burnt
B
burning
C
burn
D
to burn
America is an ________ country.
#97678
A
English-spoken
B
spoken-English
C
English-speaking
D
speaking-English
 On a _____ morning the little match girl was found _____ at the corner of the street.
#98301
A
freezing;freezing
B
freezing;frozen
C
frozen;frozen
D
frozen;freezing