Đáp án:
1. “Why don’t we buy Lan a new CD for her birthday?” David said. - David suggested
buying Lan a new CD for her brithday.
2. We finished our homework, and then we watched TV. - After we had finished our homework, we watched TV.
3. He doesn’t earn much money because he works lazily. - If he didn't work lazily, he would earn more money.
CHÚC BẠN HỌC TỐT NHOA !!!