IT WAS NOT EASY FOR US GETTING TICKETS FOR THE CONCERT. A...

Câu 20: It was not easy for us getting tickets for the concert.

A B C D

IV. Đọc kỹ đoạn văn sau và chọn phương án đúng (A hoặc B, C, D) cho mỗi ô trống từ 21 đến 25

Most people think of computers as very modern inventions, products of our new technological age.

But actually the idea for a computer had been worked out over two centuries ago by a man (21)_____

Charles Babbage. Babbage was born in 1791 and grew up to be a brilliant mathematician. He

drew up plans for several calculating machines which he called "engines". But despite the fact that he

(22)_____ building some of these, he never finished any of them. Over the years people have argued (23)

_____ his machines would ever work. Recently, however, the Science Museum in London has finished

building (24) _____ engine based on one of Babbage's designs. (25) _____ has taken six years to

complete and more than four thousand parts have been specially made.

Whether it works or not, the machine will be on show at a special exhibition in the Science Museum to

remind people of Babbage's work.