With economy increasing steadily, people ______ enjoy a life of higher quality.
#87699
A
should
B
can
C
may
D
must
推荐题目
—Will you stay for lunch?—Sorry, ____________. My brother is coming to see me. 
#89065
A
I mustn’t
B
I can’t
C
I needn’t
D
I won’t
—Jack fell off the ladder yesterday,but he is all right now.—What a lucky dog! He________ himself badly.
#86848
A
should injure
B
might injure
C
should have injured
D
could have injured