单项选择 People _____ always be careful with fire,or it can be dangerous.A.can B.needn't C.must D.shouldn't

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单项选择 People _____ always be careful with fire,or it can be dangerous.A.can B.needn't C.must D.shouldn't

单项选择 People _____ always be careful with fire,or it can be dangerous.A.can B.needn't C.must D.shouldn't
单项选择 People _____ always be careful with fire,or it can be dangerous.A.can B.needn't C.must D.shouldn't

单项选择 People _____ always be careful with fire,or it can be dangerous.A.can B.needn't C.must D.shouldn't
C
人们一定总是要注意用火,否则它可能是危险的
如果有什么疑问,如果回答有所帮助,

D

c

c

选C 句子意思是:人们必须一直对火保持警惕,否则它有时候是十分危险的。 其他答案带如题都不对,A表示能够或推测 ,B不需要 D不应该 ,综上所述选C 望采纳~!

C

选 C。表示必须

c

C

C

c

选C

C

c

C

C

c

c

C

您好,本题考查情态动词的用法。由句意可知,排除BD
A为用火可能是危险的,显然不符合题意。C为用火一定是危险的,所以要小心。故选D

人们必须总得防火,否则很危险。选C