问题
Tom , you ____ play with the knife. You_____ hurt you.[ ]
A: won't; can't
B: mustn't ; may
C: shouldn't ; must
D: can't ; shouldn't
B: mustn't ; may
C: shouldn't ; must
D: can't ; shouldn't
正确答案是：
同类题型
We’ve got to be_________ and buy only what we can afford.
The kind old couple offered to ________ the poor homeless child, though life was hard for them. [ ]
Jones! Roy has broken the glass.— Suchthings happen.
Evidence gained from observation and experiment is often used to _______ a scientific theory.