Read the passage and choose the best option.

The world’s first computer was made in 1946 although computer – like machines
were built in the nineteenth century. Computers were sold commercially for the first
time….(1)……the 1950s. Computers are now much… (2) ……and more powerful,
and they can be bought much more cheaply.
Computers are…(3) …………. In many fields: in business, science and
education. They can be used to forecast the weather, or to control …….(4)……which
make cars.….(5)……home computers have been sold recently. People know more 
about computers than they used to. Computers help us greatly in our work and they
are playing a big part in our lives.
1. A. in      B. at      C. on      D. for
2. A. as small       B. smaller      C. smallest      D. more small
3. A. use      B. to use      C. using      D. used
4. A. cities      B. countries      C. robots      D. machines
5. A. Every      B. Many      C. Much      D. A little