问题
选择题
If you are in the zoo, remember not to touch or go near the animals. Although some of the animals are cute, you _________ leave them alone.
A．must
B．will
C．may
D．can
答案
答案：A
情态动词的意义。前文的remember not to 提示，下文空格处用情态动词must 表示“必须”。