Jejejejejjejejejieieoeoe

1, There was a lot of people at the art museum yesterday

`-` DHNB: yesterday `->` thì QKĐ

`-` CT QKĐ với Đt tobe:(+) S+was/were+ N/adj

2, Is bungee jumping an extreme sport

`-` CT HTĐ với đt tobe: (?) Is/am/are+S+N/adj

`-` an để chỉ DT không xác định số ít bắt đầu bằng 1 nguyên âm

3,My mother is really interested in the book fair this weekend

`-` interested in+ Ving/N : hứng thú với..