$\text{⇒ Answer:}$
$\text{2. The problem/bad/we through.}$
$\text{→ The problem was worse than we thought.}$
$\text{3. Tigers/dangerous/rats.}$
$\text{→ Tigers are more dangerous than rats.}$
$\text{-----Done by Lhghbebong-----}$
$\text{Cho anh xin câu trả lời hay nhất, 5 sao và cảm ơn nha.}$