Explanation
A preposition is a word which comes before a noun or a pronoun and establishes a relationship between the elements of a clause or words. Option A) by is correct as it is used to explain how something is done. The other options are wrong as on is used to indicate a surface, to is used to give a direction, and with is used to express inclusion of something. These uses don't fit in the given question. The correct answer is A) by.
The prepositions ‘beside’ and ‘besides’ are often confused in spite of their difference. ‘Beside’ means on the side of something, whereas ‘besides’ means ‘other than’. Since the sentence refers to a place ‘beside’ is the apt option. Hence option C is correct, while option D is incorrect. The preposition ‘below’ is used when something is lower than something else. The factory cannot be under the river hence option A is incorrect. Whereas ‘with’ is used to refer to a tool or company, which is not apt here because the river is not accompanying the factory. Therefore option B is incorrect.
The preposition ‘under’ means to place something below something else, wherein the object on the top covers the object at the bottom. In the given context, the kids hide their chocolate so that no one can find them. Therefore option B is correct. Whereas, ‘in’ means being placed inside something. The carpet is not a place within which something can be placed. Hence option A is incorrect. On the other hand, ‘with’ and ‘for’ are inappropriate in the given context because ‘with’ means in the company of someone/something, while ‘for’ is a preposition of reason. Both of these are unsuitable as the sentence focuses on 'the carpet'. The carpet doesn't accompany the chocolate, and it is not the reason for the kids hiding the chocolates, so option C and D are incorrect.
The prepositions of time ‘at’, ‘in’ and ‘on’ are used for denoting different units of time. ‘At’ is used to refer to an exact time; ‘in’ is used denote a part of the day, month or season and ‘on’ is used to refer to a day or date. In the given sentence ‘five’ is specific time while ‘the evening’ is a part of the day. Therefore option B is correct, whereas options A, C, and D are incorrect.
The preposition ‘while’ means during a particular time. In the sentence, the kids were talking among themselves when the teacher was correcting. Hence option A is correct. On the other hand, ‘on’ and ‘at’ are inappropriate in the given context since ‘on’ and ‘at’ are used to denote a place, which is not the case here. Hence options B and D are incorrect. Similarly ‘by’ is unsuitable because ‘by’ is used to refer to an agent of the action. In the given sentence the teacher is not the agent, therefore ‘by’ cannot be used and option C is incorrect.
A preposition is a word which comes before a noun or a pronoun and establishes a relationship between the elements of a clause or words. Option A)from;on is correct as from and on indicate a source and involvement. The other options are wrong as about, at, and of indicate a piece of information, a specific location, and possession respectively. These uses don't fit in the given question. The correct answer is A)from;on.
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