ПОМОГИТЕ!! ВСТАВИТЬ НУЖНОЕ СЛОВО!!
1) Each country has___ system of education/
a) its; b) it's; c) it.
2) These students___graduate from the college next year.
a) were; b) are; c) will
3) His parents sent___ to the grammar school
a) him; b) his; c) he
4) Children___ secondary education at school.
a) has got; b)gets; c) get
5) Many students___ in hostels
a) live; b) lives; c) to live
6) Throughout ___ country there is a network of higher  educational establishments.
a) them; b) their; c) theirs.
7) Comprehensive schools___ all types of secondary education.
a) has combined; b) combined; c) combines
8)The first university___founded in 1755 in Moscow on the initiative of M.V. Lomonosov.
a) to be; b) was; c) were
9) Colleges___ different courses.
a)offer; b) to offer; c) is offering
10) Some students failed___entrance exams
a) ours; b)their; c) mine
11) What departments___there in your institution?
a)are; b) is; c) were
12) Our environment must be___
a)clen; b)dirty; c)fast
13) Many species of animals live free of danger from man in___
a)homes; b) boxes; c) national parks
14) Cars and factories____ the air
a)pollute; b) pollutes; c) is polluting
15) Progress can be blamed in___problems.
a) much; b) many; c) little
16) Air and water____ to all countries
a) belong; b) belongs; c) belonged
17) Our forests can die___ acid rain
a) with; b) to; c) from
18) Most of the____ are valued for their fur
a) animals; b) fish; c) insects
19) Using chemicals may___ the cause of ecological pollution
a) be; b) had; c) are
20) The construction of purifying systems helps to____ ecology
a) damage; b) improve; c) to harm

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1) a) its2) c) will3) a) him4) c) get5) a) live6) b) their7) c) combines8)b) was9) a)offer10) b) their11) a) are12) a) clean13) c) national parks14) a) pollute15) b) many16) a) belong17) c) from18) a) animals19) a) be20) b) improve