III.
1. friendly
2. solution
3. carefully
4. arrangement
5. skillful
IV.
1. A
2. B
3. B
4. D
5. C

Bai IV

Bai VI:
1. Kate asked me where I was planning to spend my holiday.
3. A new style of jeans has just been introduced in the USA.
4. If I knew John’s phone number, I could call him.

V.
1. B
2. D
3. C
4. C
5. A
VI.
1. Kate asked me Where I was planning to spend my holiday
2. Although he had a good salary, he was unhappy in life
3. A new mall will be built
4. If I knew John's phone nummber, I can't call him
5. I suggest going to the countryside this weekend

VIII.
1. If Susan eats so much chocolate, she will be overweight
2. We enjoy playing football in the garden
3. Robots will do many things like humans in the future
4. Nam went to the cinema with his father last week
5. I am looking forward to seeing you in June
(Or: I look forward to seeing you in June)