Пожалуйста, очень нужно"! 1.Alexander Bell was …………………..a) an engineer;b) teacher;c) doctor. 2. He worked at inventing …………………..a) radio-set;b) tape-recorder;c) telephone. 3. He worked at it …………………..a) alone;b) with his friend;c)with a group of scientists. .4. The first transcontinental telephone line was opened between ……………..a) New York and San Francisco;b) Paris and London;c) Rome and Berlin .5. During the experiment Mr. Watson heard …………………..a) Bell very badly;b) Bell very well;c)nothing.

1) a2) c3) a4) a5) ?