- Don’t _____, boys.  Keep working on and you will be successful.

- Thank you, Mr Zhu.  We’ll try our best.

A．put up            B．turn off           C．work out          D．give up.

- Don’t _____, boys.  Keep working on and you will be successful.
- Thank you, Mr Zhu.  We’ll try our best.

—Don’t ______, my children. Keep working on and you will be successful.

—Thank you. We’ll try our best.

- Don’t _____, boys.  Keep working on and you will be successful.
- Thank you, Mr Zhu.  We’ll try our best.

1. A.
   put up
2. B.
   turn off
3. C.
   work out
4. D.
   give up.

---Don’t ______, my children. Keep working on and you will be successful.
---Thank you. We’ll try our best.

1. A.
   put up
2. B.
   give up
3. C.
   work out
4. D.
   give out