`1`. They plan to make this beach a clean and beautiful place again.

`2`. The students have collected old clothes for their charity programme since last week.

`3`. Unless I leave now, I will miss my train.

`4`. Students at our school take part in a lot of outdoor activities.

`5`. No student in the class is more intelligent than Phuc.

`->` No student in the class is as intelligent as Phuc.

`III`

`1`. What time did you go to the gym yesterday ?

`2`. My brother's favourite sport is volleyball.

$#Dứa$

I

1. The intend to make this beach a clean and beautiful place again.

→ They place to make this beach a clean and beautiful place again.

2. The students started to collect old clothes for their charity progrmame last week.

→ The students have collected old clothes for their charity progrmame since last week.

3. If we don't leave now, I'll meet my train.

→ Unless I leave now, I'll miss the train.

4. Students at our school do a lot of outdoor activities.

→ Students at our school take part in outdoor activities.

5.  Phuc is the most intelligent student in the class.

→ No student in the class is more intelligent than Phuc.

II

1. What/time/you/go/gym/yesterday?

→ What time did you go to the gym yesterday?

2. My/brother/favourite/sport/volleyball.

→ My brother's favourite sport is volleyball.