Điền từ với dạng đúng vào chỗ trống, hoàn thành đoạn văn

Twenty years ago only large companies (1)……………. computers. They were large (2)……………. which filled rooms and they always had big tapes which went round and round. (3)……………. the 1980s one in every tow families (4)……………. Britain had a micro-computer – most schools also had several. (5)……………. new machines were much cheaper and much smaller (6)………………… the older ones. People used them (7)……………. pleasure as well as business. A recent survey showed that over 40% of home computer owners used them mainly for (8)…………….

1. A. have              B. had               C. has               D. having
2. A. machines      B. matches        C. metal            D. factories
3. A. on                 B. At                   C. in                  D. of
4. A. in                  B. at                   C. on                 D. over
5. A. They             B. This               C. That              D. These
6. A. that               B. over               C. than              D. as
7. A. to                  B. for                  C. with              D. of
8. A. games          B. lines               C. plays            D. changes