Choose the correctc opton:
a) My father have/has been to London.
b) My parents have/has been to New York.
c) I have/has studied English since I was 3 years old.
d) Marta have/has worked at Fontarron school for 5 years.
e) I haven't/hasn't visited my grandparents since last month.
f) Coronavirus have/has killed many people.
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Sinh Học lớp 12
