1.isn't raining
2.speaks
3.is waiting
4.are you listening
5.do you listen
6.flows
7.flowing
8.grow
growing
9.improving
10.staying..stays
11.I am starting
12.I am learning..is teaching
13.finish..working
14.live..do your parents live
15.is looking for..staying
16.does your father do...is not working
17.enjoy..enjoying
18.leaves
19.is always leaving
1. Do several examples denonstrate this idea?
2 Will you study amplifier circuits at the next lecture?
3. Did the device calculate the frequency of electromagnetic waves ?
4. Does the frequency of free oscillations of an open tuned circuit depend upon its capacitance and inductance?
5. Did operators make all the connections by hand place in the early days of telephone?
6. Will/won't the waves cancel each other and will considerable radiation take ?
7. Did the detector completely cut off one-half of the wave?
8. Do energy losses take place in any aerial?
9. Are glass fibers cheaper and lighter than copper wires?
10. Did the automatic station "Zond-7" maintain stable?
1. took
2. had to
3. was wearing
4. her
5. started
6. advertising
7. was
А) не знаю=(
б)<span>1)The girl usually wakes up......2)Sorry,but.....I have a sore throat 3)The doctor took the temperature and.....4)Soon my brother got well and 5) After the walk the scientist fell ill and .....</span>