вставить слова 1. Sam - to ride a bike for ... - to ride 3 miles. 2. Mary - to do the shopping since ... - to buy a lot of food. 3. Bill - to read detective stories for ... to read 2 stories. 4. Sally - to make pancakes since ... to make 50 big pancakes. 5. Roy - to watch videos for ... to see 2 films. 6. Jack - to train since ... - to throw the ball 100 meters. 7. Sarah - to wash up for ... to break a few plates. 8. The children - to plant flowers since ... - to plant a lot of primroses.

1. Sam has been riding a bike for 15 minutes and has ridden 3 miles.

2. Mary had been doing the shopping since 10 o*clock and has bought a lot of food.

3. Bill has been reading detective stories for 4 days and has read 2 stories.

4. Sally has been making pancakes since early morning and has made 50 big pancakes.

5. Roy has been watching videos for 4 hours and has seen 2 films.

6. Jack has been training since childhood and has thrown the ball 100 meters.

7. Sarah has been washing up for 2 minutes and has broken a few plates.

8. The children have been planting flowers since Monday and have planted a lot of primroses.