Use the following verbs to fill in the blanks (in the Present Indefinite Active or Passive)
contain, deprive, term, be, demonstrate, damage,
consist of, take place, cause, subdivide, affect, break
1. Every organism is subject to a certain life rhythm.
2. Green plants contain chlorophyll.
3. Cultivated plants can be damage by pests.
4. The plants affected by pests attacks.
5. Parasites deprive plants of juice. Bacteria consist of a single cell only.
6. Bacterial diseases by the penetration of bacteria into injured plant parts.
7. Bacteria cell unions. Such disease symptoms “wet rot”.
8. The great danger threatening plant cultures from insects by the fact that plant parts the sole source of food for insects.
9. The thorax into three or more less visible segments.
10. The process of fading on the leaves or on plant surfaces
2. a. on
3. a. terribly
4. b. the better
5. a. can’t
6. a. more and more d. more and more
7. a. my taking up
8. b. to go
9. c. all over
10. c. would watch
11. c. to have broken
12. c. not having seen
13. c. must not
14. d. to close
15.b. lastly
16. c. he lived
17. b. had finished
18. b. -, - , the, the, the
19. d. to have left
20. c. having finished
21. c. will be washed
22. b. stories
23. a. is
24. c. the
25. a. the others
26. b. went
27. c. his, yours
28. a. has read
29. We shall start at six o’clock if it raining by that time. *
a. will have stopped
b. has stopped
c. stops
d. will stop
30. b. had it stopped
31. c. had changed
32. d. shall have finished
33. b. have
34. a. typed
35. a. went
36. d. did
37. a. left
38. d. the coldest
39. a. louder
40. b. took
2. You must keep tidy your desk
3. You must do homework at home
4. You must wash your hands before you go to canteen
5. You must always listen your teacher
6. You must be ready for the lesson before it starts
7. You must raise a hand if you want to ask
8. You must say hello to every adult person in your school
9. You must be accurate with food and drink in canteen
10. You must keep your uniform tidy an clean
1. You must not run at school
2. You must not be late for the lessons
3. You mustn't fight with your classmates and others
4. You mustn't do anything different on the lesson
5. You mustn't shout at school
6. You mustn't mess desks, chairs, chalkboards and other school things
7. You mustn't go to canteen alone without your teacher and classmates
8. You mustn't do your homework on the lesson
9. You mustn't interrupt your classmates, teacher and other persons
10. You mustn't forget your indoor shoes