V.
1. wants = > wanted
2. pollute = > pollution
3. leaving = > to leave
C. Reading
I.
1. A magnetron could cook food.
2. 1970
3. Dr. Percy Spencer was a radar expert.
4. not planned
5. The History of Microwave ovens
II.
1. around
2. thousands
3. and
4. opportunity
5. from
6. will
D.
I.
1. If I were Nam, I would study harder.
2. Hung suggests that we should practise English everyday.
3. Tom thought inhabitants of Venus might travel by buggy.
4. Teenagers often use abbreviations when texting.
5. The number of English speakers in the world is increasing fast.
III.
1. He told Lan that she spoke English better than him.
2. If people use to much fertilizer, lands will be spoiled.
3. Nam spends two hours doing his homework every day.
4. The road in front of my house need to be repaired.
5. No one in my class is taller than Peter.