B1

1, Rice is grown in many countries in the world.

2, The telephone was invented by Graham Bell many years ago.

3, This car has been used for many years.

4, English is praced by Lan everyday.

5, The garbage will be taken out of the city.

6, I was sent this letter by Mary two days ago.

7, Compost is made from vegetables.

8, This work must be finished before Sunday.

9, This bicycle hasn't been used for a long time.

10, A strange man was seen in my garden yesterday.

B2

1. This car / make / Japan / ten years ago.

This car was made in Japan ten years ago.

2. The rice / separate / the husk .

The rice is separated by the husk .

3. The next meeting / will / hold / Chicago / next month.

The next meeting will be held in Chicago next month.

4. This room / not / use / for years.

This room hasn't been used for years.

48 x 0,25 + 51,5 x 0,25 + 6 x 0,25 

= ( 48 + 51,5 + 6 ) x 0,25 

= 105,5 x 0,25 

= 26,375