神马作文网kuai!170.Students mustn’t smoke because smoking is harmful t
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kuai!1
70.Students mustn’t smoke because smoking is harmful to their health.(保持句意基本不变)
Students ________to smoke because smoking is harmful to their health.
两个空格
70.Students mustn’t smoke because smoking is harmful to their health.(保持句意基本不变)
Students ________to smoke because smoking is harmful to their health.
两个空格
Students 【are't allowed 】to smoke because smoking is harmful to their health.
学生不被允许抽烟因为吸烟有害健康.
（被动语态be allowed to 意思是允许.）
学生不被允许抽烟因为吸烟有害健康.
（被动语态be allowed to 意思是允许.）
kuai!170.Students mustn’t smoke because smoking is harmful t
Smoking is b_____ in the library.you mustn't smoke here.
The sign "No smoking" m____we mustn't smoke here
The sign "No smoking" means we mustn't smoke here
No smoking means we mustn't smoke here为何是NO smoking 不能是Not s
dou’t you think smoking is harmful to your health?
you mustn't smoke here同义句 --------is not--------here
Smoking is h____ to your health .So don't smoke
小小英语语法Smoking is harmful to healthTo smoke is harmful to hea
t is well known that smoking is harmful to the health
You mustn't smoke here.(改为祈使句)
We mustn't smoke here.改被动