4. 1)disagree
2) international
3) informal
4) entertainment
5) performance
6) usually
5. 1)sunny
2) extremely
3) delightful
4) disappear
5) possibility
6) harmful
1. arrived
2. had repaired
3. I lost
4. started
5. had ran
6. we planted
7. went
8. I made
a, b, a
<span><span>1. - Mum , shall I help you ?
- Oh , no. I have already done everytrhing.
2. - Shall I give you a hand ?
- Oh, yes. I am very tired.
3. - Shall I </span><span>clean the kitchen? Are you very tired?
- It's OK. I've already cleaned it.
4. I'll do the shopping .
- Shall I buy anything for you?</span><span>
- Buy some milk, please . </span></span>