Present Perfect or Past Simple?

1.I ___my best friend for ten years.
A) have known B) knew C) has known

2.I don’t want to go to the cinema. I ___ this film.
A)has already seen B) have already seen C) already saw

3.Is Mary at home? No, she ___.
A)has just left B) have just left C) just left

4. Michael ___ to play the piano last year.
A) has learnt B) have learnt C) learned

5.Columbus ___ America in the 15th century.
A) has discovered B )have discovered C) discovered

6. __ their wedding last weekend?
A) Did they celebrate B) Have they celebrated C) Has they celebrated

7.Andy ___ to Japan twice.
A) was B) has been C) have been

8. We ___to the seaside last summer.
A)was B)have been C)were

9.__you ever ___a car?
A) have …ridden B)did …ride C) has….. ride

10.I __my homework.
A) have’nt finish B)have not just finish C)have not finished

Объяснение: 1 A 2B 3A 4C 5C 6A 7B 8C 9A 10C

i agree that time, energy, relations and finances are our most valuable assets. they are our assets if we know to handle them wisely in hances   our ability to succeed. time is the most valuable treasure and it can be lose in vain.

  relationship are another assets.

human being a social creatures. we live in a society and it is important to live in a harmony. if we make friendships with the hope of some benefit, we will find that people will have a similar attitude to us. this caind of friendship leads to insecurity and jealousy.   true friendship should be based on manual   support and good will, irrespective of any personal gain.

  money is anything that is a generally accepted by people in each for the thing this’ll   or the work they do. another use of money is a story of wealth but we mutant forget the proverb “ money is a rout of evil”. we must manage it and not money manages us.

  only in this case  money is a treasure.