People always be careful with fire, or it can be dangerous.A. canB. needn’tC. mustD. shoul

发布时间:2020-08-21 17:20:58

People     always be careful with fire, or it can be dangerous.
A. can
B. needn’t
C. must
D. shouldn’t

网友回答

A. can
B. needn’t
(答案→)C. must
D. shouldn’t
解析:本题考查四个情态动词的含义,根据语境可知选择C表示必须之意。句意:人们必须一直对火小心,否则它可能很危险。
以上问题属网友观点,不代表本站立场,仅供参考!