Choose the correct word for the following definition: to watch and check a situation carefully for a period of time in order to discover something about it

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when something happens at a particular time of year

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Our latest model of phone has several new ______.

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All the visible features of an area of countryside or land are often considered in terms of their aesthetic appeal.

Complete the question asked by the reservations clerk at a hotel.

_________________________?

By credit card

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an energetic person who enjoys being with other people

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to study a subject in detail, especially in order to discover new information or reach a new understanding

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travelling a long distance