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I visit a new country every year. By the time I_______ fifty, I _______ almost all the countries in the world.

I visit a new country every year. By the time I_______ fifty, I _______ almost al

Câu hỏi

Nhận biết

I visit a new country every year. By the time I_______ fifty, I _______ almost all the countries in the world.


A.
will be — will visit    
B.
was — had visited
C.
am — will have visited 
D.
am - visit
Đáp án đúng: C

Lời giải của Luyện Tập 365

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