Помогите пожалуйста решить 16 тестов по английскому. завтра экзамен я а ни бум бум

1.208 (25). This means that the ...more particles suspended in air the greater will be the greater will be the extent of bacterial contamination.
a) more b) much c) many d) the most
2.213 (9). It has been said that as much ...one fourth of the dry weight of the intestinal contents of man is composed of bacterial cells.
a) more b) the most c) so d) as
3.216 (1).Some ...are more commonly distributed in certain places.
a) bacterium b) bacteria c) flagella d) flagellum
4.224. (48). The statement that bacteria are harmful ...entirely erroneous.
a) were b) will be c) is d) are
5.226. (3).A few of the higher filamentous ...show an oscillatory movement.
a) bacteria b) catalyst c) reaction d) substance
6.230. The great majority of the bacteria are absolutely necessary for the existence of living things ...
a) are not they b) are they c) do they d) don't they e) is it
7.234. (4).Foodstuffs are really free from ...
a) living organisms b) oxygen c) flagella d) interesting organisms
8.236. (2).Occasionally some species penetrate the broken skin and intestinal wall, resulting in the establishment of a disease process.
a)Did some species penetrate the broken skin and intestinal wall, resulting in the establishment of a disease process?
b)Do some species penetrate the broken skin and intestinal wall, resulting in the establishment of a disease process?
c)Have some species penetrate the broken skin and intestinal wall, resulting in the establishment of a disease process?
d)Will some species penetrate the broken skin and intestinal wall, resulting in the establishment of a disease process?
9.244. (7).…is one capable of producing a disease.
a) Microorganisms b) A pathogenic organisms c) Virus d) Bacteria
10.252. (15).Bacterial variation resulting from changes in age and other environmental factors are only....
a)fundamental b)temporary c) certain d) good
11.261. (11).Bacteria quickly adapt ...to the changed conditions and for this reason are able to withstand great variations in the environment.
a) ourselves b) myself c) themselves d) herself
12.262. (21).In this respect bacteria ...markedly from higher plant and animal cells.
a)differ b) differs c) is differed d) has been differed
13.263. (10).Bacteria gain ...to the body in various ways.
a) heart b) life c) reaction d) activity
14.264. (49).The same strain kept under different conditions ...show great differences in disease producing ability.
a) must b) ought to c) should d) may
15.266. (11).A strain that has been greatly reduced in virulence is said to....
a) reduced b) attenuated c) conditioned d) higher
16.286. (2).Bacteria ...entrance to the body in various ways.
a) gain b) gains c) is gaining d) am gained