giúp mình vs

`Đáp` `án:`

1. If it didn't cost too much money, we would hold the festival.

If 2: If + QKĐ, S + would / could + V1 

2. Nem prefers playing football to going to the zoo.

prefer Ving to Ving: thích làm gì hơn làm gì 

3. While the tortoise was running, the hare was sleeping.

While + QKTD, QKTD: hđ xảy ra song song / cùng lúc ở 1 thời điểm trong quá khứ 

QKTD: S + was/were + Ving 

4. Can the little boy take care of himself when his mother is away?

look after = take care of (phr.v) chăm sóc

5. You don't need to finish your assignment this evening.

need+ to V: cần làm gì