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Надо сделать по ! use present perfect - active or passive 1. numerous analyses of the microbial make-up of plaque in subjects of different caries experience (to reveal) a correlation between the presence of streptococci mutans and caries. 2. when an adjacent tooth (to extract) for other reasons, direct access is possible. 3. from the middle of the 17th century, gutta percha (to recommend) for all sorts of uses. 4. it (to use) in dentistry for over 130 years, as a temporary restorative, an impression material, or as a root canal filling material.

Английский язык

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zotti
1numerous analyses of the microbial make-up of plaque in subjects of different caries experience have revealed a correlation between the presence of streptococci mutans and caries. 2. when an adjacent tooth has been extracted for other reasons, direct access is possible. 3. from the middle of the 17th century, gutta percha has been recommended for all sorts of uses. 4. it  has been  used  in dentistry for over 130 years, as a temporary restorative, an impression material, or as a root canal filling material.
ur101679

1. where are my keys? i've seen them somewhere but i can't remember where. где мои ключи? я где-то их видел, но не помню где 2. some friends of hers are visiting austin this week. некоторые   ее друзья посетят остин на этой неделе. 3. the man blamed himself for the accident. мужчина обвиняет сам себя в произошедшем. 4. nobody can speak all the languages in the world. никто не может говорить на всех языках мира. 5. give them one more chance to win. дайте им еще один шанс, чтобы победить.

hotnuts
1. cycleways should (be built) to make cycling safer. 2. vast amounts of money (is spent) on nuclear power each year. 3. energy could also (be saved) if more short journeys (were made) by bicycle. 4. our team has only (been beaten) once so far this year. 5. this painting was probably (painted) by dali. 6. she's only crying because some soap went into her eye while her hair (was being washed).1. on this evening. i (am/was walking) home to the florida hotel and it (is/was raining). 2. two policemen with rifles who (had come) in off the street patrol (were standing) by the door. 3. while we (were waiting) around i (told) the whole story. 4. the girl (went) downstairs and the hotel owner (stood up) and (bowed) to her as the office. 5. wednesday (is not going) well for anthony cross. his day (began) at 6 a.m., and it (is) now nearly nine. it (has been drizzling) steadily since the grey shadows of dawn (crept) over the city.

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Надо сделать по ! use present perfect - active or passive 1. numerous analyses of the microbial make-up of plaque in subjects of different caries experience (to reveal) a correlation between the presence of streptococci mutans and caries. 2. when an adjacent tooth (to extract) for other reasons, direct access is possible. 3. from the middle of the 17th century, gutta percha (to recommend) for all sorts of uses. 4. it (to use) in dentistry for over 130 years, as a temporary restorative, an impression material, or as a root canal filling material.
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