If you don't know what business to start with, you can pick one at will and give it a try.
举一反三
- Don't give up. You can try for _______ second time. A: the B: an C: a D: /
- If you don’t know what you want, you might end ____ getting something you don’t want.
- Don't give hard liquor to people you don't know well.
- It ______________ to know what you don’t know.
- If you don’t know the answer, what should you do?