1, Immediately after her arrival, things went wrong.

-> No sooner had her arrived than things went wrong.

2, He regrets treating his sister so badly last week

->He wishes he hadn’t treated his sister so badly last week

Vt lại câu vs từ cho trc.

1, The laptop is good. My friend helped me buy it.(which)

⇒The laptop which my friend helped me buy is good

2, This mobile phone is really good. You should buy it. (if)

⇒ If this mobile phone were really good, you should buy it. 

3.He worked late last night. He feel tired today.(so)

He worked late last night, so he feel tired today.

=>

1. No sooner had she arrived than things went wrong.

2. He wishes he  hadn’t treated his sister so badly last week.

II/

1. The laptop which my friend helped me buy is good.

2. If I were you, I would buy this mobile phone.

3. He worked late last night, so he feel tired today.