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Thematterbechangedintoagas,butitbeheatedtoitsboilingpointcan``must?canbe可是答案是can``must
题目详情
The matter __be changed into a gas,but it __be heated to its boiling point
can ``must?can be
可是答案是can ``must
can ``must?can be
可是答案是can ``must
▼优质解答
答案和解析
can 表示可选择性的
must 表示必须的
这里前半句意思是可以换种方法,后半句强调必须要做到的事.
must 表示必须的
这里前半句意思是可以换种方法,后半句强调必须要做到的事.
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