Some countries have banned smoking in public places ______ public health.
---I saw you and Ann do some gardening yesterday afternoon. Why didn’t you take part in Sam’s wedding ceremony?---I_____. But my car _____.
Once plastic pollution ______in most public areas, it is hard______.
Anyway, we’re here now, so let’s _______ some serious work.
How long do you think it will be ______ another e-commerce giant comes out to exceed Alibaba?
Life did not _____ the way we thought it would, but we still need to have a positive attitude toward it.