14. --I tried many times, but I still failed in the experiment. --Don’t be discouraged. ____ and the problem will be settled.
- Do you want another drink? - __________.
Practisig Chinese kung fu can not onlyone's strength, but also develop one's character.
John is very. -if he promises to do something he'll do it.
I have reached a point in my life ______ I am supposed to make decisions of my own.
The doctor recommended that you swim after eating a large meal. A wouldn't B couldn't C needn't D shouldn't