Though ____ the dangers of smoking to their health, smokers still find it hard to give up smoking.
They are experienced porter(搬运工)who know how to the weight of the rocks they carry.
So fast at the lecture that I missed much of it.
Nothing he did was helpful to solve this problem, ?
. If you can’t release your unpleasant past, you may create a vicious cycle(恶性循环) negative influence and feelings are reinforced(加强 ).
. For safety’s , I advise you not to stay out too late.