1. The weather was bad, so we postponed the trip.

   • We postponed the trip because the weather was bad.

2. We do a lot of activities in this summer.

• We take part in many activities this summer.

1. It is wrong of us to throw rubbish.

• We mustn't throw rubbish.

1. Hoa is the best at English in her class.

• Nobody in Hoa's class is better at English than her.

1. She likes watching television.

• She is interested in watching television.

1. We postponed the trip because of the bad weather.

We postponed the trip because the weather was bad

CT: Because of/ due to+N/ Ving= Because+ S+V.

2. We take part in a lot of activities in this summer.

CT: take part in Ving/ N: tham gia..

3. The Red River is shorter than the Me Kong River.

CT: S1+be+adj-er(nếu ngắn)/ more adj(nếu dài)+than+S2=S2+so sánh hơn ngược nghĩa+than+S1.

4. We mustn't throw rubbish.

CT: mustn't V: không đc làm gì.

5. Nobody in Hoa's is better at English than Hoa.

CT: S+be+so sánh nhất+in+N= nobody/ noone+in+N+be+so sánh hơn+than+S