Correct the word form: 1. The weather gets __________________. (cold) 2. Bob is getting ____________________. (fat) 3. Jim’s situation became _____________. (difficult) 4. __________ my grandparents get, _____________ they are. (old – happy) 5. __________ it is, ___________ Hoa is. (hot – weak)

$1$. colder and colder

$2$. fatter and fatter

$3$. more and more difficult

$4$. The older - the happier

$5$. The less hot - the less weak

`->`Cấu trúc so sánh kép: 

*Tính từ ngắn: S + tobe/V + adj-er/ adv-er + and + adj-er/adv-er

*Tính từ dài: S + tobe/V + more and more + adj/adv ( adj/adv có 2 âm tiết trở lên )

`->`Cấu trúc "càng....càng.....":

*Tính từ ngắn: The + adj-er/adv-er + S + V, the + adj-er/adv-er + S + V

*Tính từ dài: The + more + adj/adv + S + V, the + more + adj/adv + S + V ( adj/adv có 2 âm tiết trở lên )