Your dad should stop smoking at once.{保持句意不变} Your dad should { } { } { }immediately

问题描述:

Your dad should stop smoking at once.{保持句意不变} Your dad should { } { } { }immediately

句子的意思是:你爸爸应该马上停止吸烟(也就是戒烟).
at once=immediately马上,
所以句子要替换的内容是stop smoking
应该填上give up smoking
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