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Princess040205
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1. Physics (to be) is one of the most important sciences last century. 2. Physics (not to study) living things, it (to study) phenomena in nature.
3. Phenomena in nature (to be) mechanical motion, heat, sound, electricity, magnetism and light.
4. The basic concepts in all physical phenomena (not to be) the concepts of heat and light.
5. Matter (not to exist) in five states: solid, gas, liquid, steam and plasma. 6. When the teacher (to come) into the classroom yesterday the students (to study) physics.
7. We (not to see) how electrons ( to revolve) about the nucleus.
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kannaaa
kannaaa
4,5(93 оценок)

1.

is

how long have you been waiting?

2. we are going, do you want

it sounds

3. I don't like, she is always lying

4. let's go

I can't, I haven't finished

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