Fill in: breathe, observing, repeat, separate, struggle.
1. For this study, the psychologist will .
the girls from the boys.
2. Although I . in physics, I do very well
in chemistry.
3. The air we.
is actually 78% nitrogen
and only 21% oxygen.
4. Scientists have to . their experiments
again and again to make sure the results are
valid.
5. Biologists have to be patient while they're .
animals in the wild.

1. For this study, the psychologist will reparate

the girls from the boys.

2. Although I in physics, I do very well

in chemistry.

3. The air we breathe

is actually 78% nitrogen

and only 21% oxygen.

4. Scientists have to repeat their experiments

again and again to make sure the results are

valid.

5. Biologists have to be patient while they're struggle

animals in the wild.

1. am packing

2. does pack

3. don't save up

4. are, saving up

5. am meeting

6. meet

7. are looking 

8. lost, looked

9. are, doing, am waiting

10. cries, waits 

he helps me do homework( он мне делать уроки)                                             he is a very sleek(он гладкий)                                                                             he flat surface(он ровной поверхности)                                                                         he is with me in the room(он есть у меня в комнате)                                                   he can be of any color(он может быть любого цвета)                                                   any size(любого размера)                                                                                             with shelves and without(с полками и без)                                                                   if you do the lessons of the need chair(если делать уроки то нужен стул)                       on it can be books(на нём могут быть книжки)                                                             he shall be with each student(он должен быть у каждого ученика)