$\text{@Ochi}$

`21`, I always get to school on time (on time = never late : đúng giờ)

`22`, Hoa's favourite subject is English (favourite + N : thích nhất)

`23`, I drink much more milk than my younger brother (so sánh hơn với động từ)

`24`, Mr. Brown is busy this afternoon. (not free = busy : bận, không rảnh)

`25`, Miss Hoa goes to school on foot every day (walk = go on foot : đi bộ)

`26`, Nam goes to school this aftenoon and so do I (so + do/does + sb : ai đó cũng vậy)

`27`, It is a blue hat (It's + N/NP : đó là...)

`28`, Trung is the tallest person in the group (so sánh nhất với tính từ ngắn adj-est)

`29`, Our house is the oldest in the neighborhood. (so sánh nhất với tính từ ngắn adj-est)

`30`, I am in grade 7 and so does she (so + do/does + sb = S + V/tobe + too)

$\text{#BTS}$