In crowded places like_____airports and railway stations,you _______ take care of your luggage.
#89092
A
can
B
may
C
must
D
will
推荐题目
— You ought to have called her yesterday .    — Yes , I know I ____ . 
#89767
A
ought to
B
ought go have
C
ought have done
D
ought to have called
He ________ fatter but he eats too little.
#86630
A
would become
B
would have become
C
must become
D
must have become
Why didn't you tell me there was no meeting today? I______ all the way here through the heavy snow. 
#89455
A
needn't have driven
B
can't have driven
C
mustn't have driven
D
shouldn't have driven