用所给词的适当形式填空。
Smoking a lot is________(harm)to your health．You’d better give it up．
The little girl felt upset ____ her pet dog died.
| A．why | B．because of | C．because | D．what |
The weather in Beijing is not ____ good ____ that in Hainan.
| A．as; than | B．so; as | C．than; as | D．as; so |
My father is a teacher. He is always strict ____ his students.
| A．to | B．with | C．on | D．in |
Be proud ____ yourself and get ready ____ the next exam.
| A．of; of | B．for; for | C．for; of | D．of; for |
We should not only be confident ____ ourselves, but also think things ____ before making decisions.
| A．in; about | B．in; over | C．about; about | D．about; over |