Определите время и залог сказуемого 1. the volt is named after alessandro volta, an italian scientist. 2. distance is usually measured in millimeters, centimeters, metres or kilometres. 3. thousands of people use the metro every day. 4. this experiment was done by all first-year students.
2. is measured - Present Simple Passive
3. use - Present Simple Active
4. was done - Past Simple Passive