giúp mk với ạ :<<<, mik cảm ơn ạ

1. If we hold the festival, it will cost too much money.

→ ĐK loại 1: If + S + V, S + will + V (thì HTĐ - TLĐ)

2. The tortoise was running while the hare was sleeping.

→ Thì QKTD: S + was/were + Ving

→ S + was/were + Ving + while + S + was/were + Ving (2 sự việc cùng diễn ra trong quá khứ)

3. Although the girl worked hard, her stepmother wasn't happy.

→ Although + S + V, S + V (V chia theo thì): mặc dù ...

4. There were so many people because the Buffalo-fighting Festival took place in Do Son last Saturday.

→ Sử dụng “because” để diễn tả nguyên nhân kết quả trong câu.