Please do not feed the fish; they ________ die if they eat too much.
#63259
A
shall
B
must
C
may
D
need
推荐题目
His failure suggested that he   the teacher’s suggestions.
#62975
A
can’t have followed
B
needn’t follow
C
mustn’t have followed
D
shouldn’t follow
We         arrive at six. But I’m sorry we are late. 
#63290
A
should
B
were supposed to
C
must
D
ought to