5. A : I feel tired. I have worked for 3 hours, but I can’t finish it.
B : ……………………………………….
A: Thank you for your advice.
1. Stop working. 3. Would you like to take a rest?
2. You should stop for a while. 4. You may stop working for a while.
เฉลย 1.1 2.3 3.4 4.1 5.2