Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.

Câu hỏi

The world’s first computer ______ by the University of Pennsylvania in 1946.

A. was built

B. is built

C. has built

D. were built

Đáp án
A. was built

Câu hỏi thuộc Bài tập:

Bài tập Ngữ pháp & Từ vựng - Luyện thi THPT Quốc gia Tiếng Anh (Mã 005)