Fill in: invent, develop, generate, turn into,
dissolve, print out, demonstrate in the correct
form.
1 The new technology has taken scientists years
to ..............
2 Stir the coffee until the sugar .........
3 Jane often ...... copies of
articles she finds on the Internet.
4 Many power stations burn coal to ..... electricity.
5 The professor will ..... how his new invention works at the science fair.
6 Alexander Graham Bell ..... the telephone in 1876.
7 In the future, a window made of "smart glass" will .......... a TV screen.​