确认,辨别,认明 v. ______________
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Dear Uncle, It’s quite some time since we last ____ () of your great effort. Yours, Li Hua
The harmful effects of smoking is more than you can imagine. When I was young, I didn’t know much abThe harmful effects of smoking is more than you can imagine. When I was young, I didn’t know much about the harmful effects of smoking. I didn’t know, for example, that it could do terrible () ______to quit smoking.
You know that smoking is to your health. ()