8use past simple or present perfect to complete the sentences. 1 the concert (just begin) has just begun. 2 sam (phone) just now. 3 the boys were so hungry. they (eat) all the sandwiches and (ask) for more. 4 our children (already become) grown-ups. 5 the fridge is empty. i can see that bob (not be) to the shops. 6 the other day we (write) to them, but we (not receive) any answer so far. 7 alex, what present (you choose) for daddy? 8 simon (not get) any bad marks recently. his teacher says the boy (change) a lot. 9 last tuesday they (drive) to oxford in their ford. the journey (not be) long at all. it (take) them about two hours and a half. 10 it’s the second time i (ride) a horse.

The usa. by tradition children after majority don't live in america with parents, and pass to live separately. japan. almost all spheres of life of the country are penetrated by a network of traditions, especially it is appreciable in dialogue between people. by tradition japanese carefully and lovingly concern the nature, admire natural beauty of a landscape. england. fine tradition is good formation at children. the variant of private school-board is popular in men of means.

We are going to be late. let's take a taxi, shall we?

1. i was sitting in front of the fire, when they called out to me.

2. i was getting the tea ready,  when my mother came home from work.

3. she was dusting the carpet, when her cat knocked a vase off the table.

4. we were finishing our tea, when there was a knock at the door.

5. they were going down the garden path, when she stopped and waved. 

1. the boys are playing football now. they are tired. they have been playing football an hour and a half.

2) tom began talking on the phone an hour ago. i think he should finish. he has been talking on the phone for more than an hour already.

3) roy came to see  the dentist at nine o`clock. it is 9: 30 now.

roy has been waiting for the doctor since 9: 00 a.m.

4) colin became a professor in 1998. he has been working at the university since he became a professor.

5) the greens went to canada last summer. they are living in canada now. they have been living in canada for about a year.