Прошу помощи, ребят. :(

[email protected] в категроии Английский язык, вопрос открыт 06.04.2017 в 00:45

Open the brackets and use verbs in the correct tense and form:
1. Color blindness, or color vision deficiency, (to be) the inability or
decreased ability to see color, or perceive color differences, under normal lighting
conditions.
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2. Color blindness (affect) a significant percentage of the population.
3. Color blindness also (can to produce) by physical or chemical damage to
the eye, the optic nerve, or parts of the brain.
4. Color blindness usually (to classify) as a mild disability.
5. Color vision deficiencies (can to classify) as acquired or inherited.
6. About 8 percent of males, but only 0.5 percent of females, (to be) color
blind.
7. Causes of color blindness (to include) brain or retinal damage.
8. The different kinds of inherited color blindness (to result from) partial or
complete loss of function of one or more of the different cone systems.