Past Simple VS Present Perfect

My mum (______) born in 1983.

• has been

• was

I (______) Da Nang last summer.

• visited

• have visited

I (_______) Da Nang many times.

• have visited

• visited

In 1898, Marie Curie (_______) radiation.

• discovered

• has discovered

Alexander Fleming (_______) a scientist.

• has been

• was

Boyan Slat (_______) his project when he was 16 years old.

• started

• has started

Malala Yousafzai (______) won a Nobel Peace Prize.

• has

• have

My friends and I (_______) watched so many movies together.

• have

• has

My sister (_______) finished her homework.

• have

• has

My classmates (_______) read the story 2 times.

• have

• has