`9.` We stayed at home and listened to music last Saturday.

`10.` Tom had a car accident when he was 8 so he doesn't like driving car.

`11.` I stayed up late last night because I had a lot of exercises.

`12.` Who saved the child yesterday ?

`13.` Mary could play piano when she was a little girl.

`14.` It's rained heavily yesterday but he came to visit me.

`16.` Pablo Picasso went school of art when he was 13.

`17.` Nelson Mandela became the president of Africa in 1994.

`18.` She used to a doctor before World War I in France.

`19.` I was quite shy and hard-working when I was in high school.

`20.` Mary didn't go to the cinema because she was sick yesterday evening.

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#Học tốt ^^