Проверьте, пожалуйста gen.

[sprin]

Соmplete the sentences with the correct form of the words in the brackets using either participial or infinitive constructions.

1. Wild bears entering urban areas are a problem, so leaving food around will certainly not (help you to avoid) a scary encounter.
2. Working as a volunteer in an animal rescue centre (makes Sarah become) more responsible and kind.
3. Knowing where dangerous areas are (help tourists to avoid) unpleasant encounters with predators.
4. Sara is (having her rottweiler walk) with her when she goes out late in the evening for safety purposes.
5. What (make you think) that otters have left our river? І saw them only recently.
6. Helen (let the hedge grows) over two metres high around her house so that the neighbours could not see her and she wouldn't see them.
7. She bought an alarm that sounds like a barking dog. She wants (to make people believe) that she owns а dog because that may scare criminals away.
8. Next week, she's (having the vet examine) her kitten as it is not growing as quickly as she expected.
9. When Oliver is in the woods on his own he does not feel very comfortable and never (let himself lose) his bearings.
10. Now Ann wants (to get her friends develope) the same attitude to Greenpeace as she has.
11. She thinks her company should be (outsourced someone monitoring) the effectiveness of the anti-pollution equipment.
12. Introducing 'mosquito fish' to mosquito breeding waters (to helps in reducing) incidence of malaria in those areas.

[tumanov]

Так как предложения не закончены, проверять пока нечего..

[sprin]

В смысле не закончены? В скобках мой вариант решения.

[leka11]

rescue centre (makes Sarah TO become) more responsible
Sara is (having her rottweiler walkING)
Helen (let the hedge grow)

[гарпия]

knowing ....helps

[гарпия]

what makes you think

[wow2]

makes Sarah become - это какой-то уродец (makes + become одновременно?)

либо X makes Sarah more responsible and kind.
либо просто Sarah becomes/is becoming more responsible and kind.

[wow2]

в 2,5,6,10,11,12 - ошибки. т.е. ровно 50%
это наверное низичот

[wow2]

9 - тоже ошибка

[snusmumric]

1. help ... to avoid либо help ... avoid.
2. makes ... become (звучит и правда коряво, с точки зрения грамматики верно).
3. helps ... to avoid либо helps ... avoid
4. Martin Hewings говорит, что "after have, let and make we can use an object + bare infinitive but not to-infinitive", так что правильно у Вас.
5. makes you think
6. lets the hedge grow
7. +
8. см. 4
9. lets himself lose
10. to get her friends to develop
11. should be (outsourced someone monitoring) (там точно так написано?)
12. helps reduce или helps to reduce

[Translucid Mushroom]

makes Sarah TO become

orly?