1) They went – have gone to New York. They mustbe having great time. Last semester I was –have been there and I had – have hadwonderful time.

2) Selma lived – has lived in Qatar for two years.Last month she moved – has moved to Barcelona.

3) I was – have been born in Sydney but I lived –have lived in Canberra.

4) “Did she help – has he helped youwith your Spanish exam?”“No, he didn’t – hasn’t. He is busy.”

5) My father was – has been verybusy recently.9) We bought – have bought a newhouse. It has got a very large garden.

6) She was – has been a teacherwhen she was – has been 21.

zoo/ May/ He/the/to/on/the/ second/goes/of                   

bà lão đó có số tiên là:

50x800000000=40000000000(đồng)

 đáp số:40000000000 đồng 

cảm ơn