Put the verb into correct tense 1. He (to work) in the laboratory now. Don’t bother him. 2. Water
(to boil) at 100 degrees centigrade. 3. Who (to discover) the
electron? 4. Thomas Edison (to invent) the electric lamp. 5. you
(to know) that scientists? 6. they (to invent) this device in 2012?
7. she (to study) at this University? 8. you (to watch) TV
now?
1works
2boil
3discover
4invented
5know
6invent
7study
8watch
Объяснение: