(Viên chức Mầm non) 5000+ câu trắc nghiệm Ngoại ngữ có đáp án - Test 1

I visit a new country every year. By the time I am sixty I __________ all the most interesting countries in the world.

35/60

I visit a new country every year. By the time I am sixty I __________ all the most interesting countries in the world.

visit

have visited

will visit

will have visited

Giải thích

Đáp án đúng là d