I.

1. Robots will help me do the housework.

2. If he washes my car, I will give him 30000 dong.

3. Stdney is the most beautiful and the cleanest city in the world.

4. My mothes goes shopping twice a week.

5. I am so thirsty so I will buy a bottle of mineral water.II.

1. Today VTV3 has three interesting films.

2. My father swims fast.

3. If we didn't use the car all the time, we wouldn't make the air dirty.

4. Tuan is interested in teaching robots.

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

IaiI.

1. My brother has been to Thailand.

2. We shouldn't throw rubbish on the street.

3. They enjoy staying on a farm during the summer vacation.

4. Although the film is late, I will see it.

5. We will have a healthier and happier life if we keep our environment clean.

I. Rearrange the words and phrases tomake meaningful sentences:

1. housework/ help/ Robots/ do /the/ will /me/. =>

=> Robot will help me do the housework.

2. if/ washes/ car /he/ my/, / I/ him/ 30,000 /dong/ give/ will/. =>

=> If he washes my car,I will give him 30,000 dong.

3. Sydney /the/ cleanest/ the /is /and /the /most /in /city /world/ beautiful/.

=>Sydney is the cleanest and the most beautifuf city in the world .

4. my /mother /shopping /twice/ a /goes /week/.

=>My mother goes shopping twice a week.

5. I /thirsty/ am /so /I/ buy/ a/ of /will/ bottle /mineral /water/.

=>I am thirsty so I buy a bottle of mineral water .

II. Complete the second sentence so that it means the same as the sentence before:

1. There are three interesting films on TV today.

=>Today VTV3 has three interesting films on TV today.

2. My father is a fast swimmer.

=>My father swims fastly

3. We make the air dirty because we use the car all the time

=>If we don't use the car all the time,we won't make the air dirty. 

4. Tuan likes teaching robots very much.

=>Tuan is interested in teaching robots very much.

5. The students started to collect old clothers for their charity programme last week.

=>The students have collected old clothers for their charity programme last week.

III. Make sentences using the words and phrases given:

1. My brother / been/ Thailand.

=>My brother has been in Thailand.

2. We /shouldn’t/ rubbish/ the street.

=>We shouldn't throw the rubbish on the street.

3. They /enjoy /stay/ a farm/ during /summer/vacation.

=>They enjoy staying in a farm during the summer vacation.

4. Although /the/ film /late/ I /will /see/

 =>Although_the film is late , I will see it.

5. We/ live/ healthier /and /happier/ life /if /keep/ our /environment /clean.

=>We live  we will live happier and healthier life if we keep our clean environment .