Teachers _______ be sensitive to the development level of each student so as to help them better.
#62795
A
need to
B
may
C
are able to
D
can
推荐题目
She _____ your birthday party, but she had to look after her mother in hospital.
#63325
A
should attend
B
ought to have attended
C
can have attended
D
must have attended
It was fine yesterday so I ______ the trouble to carry my raincoat with me.
#63141
A
don’t need to take
B
mustn’t have taken
C
didn’t need to take
D
needn’t have taken
