II. Chọn đáp án đúng có đáp án

On September 9th, 1850, California _______ to the United States as the thirty-first state. A. was admitted B. has been admitted C. admitted D. is admitted

144/1144

On September 9th, 1850, California _______ to the United States as the thirty-first state.

was admitted

has been admitted

admitted

is admitted

Giải thích

Chọn đáp án A