Bài tập 2: Điền đại từ nhân xưng phù hợp vào chỗ trống 1. ……asked Mr. Simon, my science teacher, what glass was and……said that …………is a liquid.
2. Hi Dana! Are……still coming shopping with us tomorrow?
3. My mum studied history at university. …… says……was a really interesting course.
4. Scientists are working hard to find cures for lots of diseases, but…… haven't found a cure for the common cold yet.
5 Adam, do…… think…… should all bring some food with us to your party?
6 Dad, do…… know if…… sell computer games in the market?