Explanation

The correct option is: (c) On page 3, there is an advertisement for a new video camera.

This sentence is grammatically correct and conveys the intended meaning.

It uses the preposition "for" to indicate the purpose of the advertisement, which is to promote a new video camera. 

Explanation

The range of probability for each event lies between 0 and 1.

This means that the probability of any event can be a value from 0 (impossible event) to 1 (certain event).

Explanation

Let's break this down logically:

(i) A toothpaste is useful.

(ii) Useful things are valuable.

From (i), we know that a toothpaste is useful. And from (ii), we know that useful things are valuable.

Therefore, since toothpaste is useful (from i), and useful things are valuable (from ii), we can conclude that toothpaste is valuable.

Thus, statement (iii) "A toothpaste is valuable" follows logically from (i) and (ii).

The correct answer is:

(a) True

Explanation

"A noise woke me up in the middle of the night."

This is the standard and grammatically correct sentence. "In the middle of the night" is the proper phrase to refer to a period during the night.

Explanation

The correct option is: Our friend has an apartment in East London.

This sentence is grammatically correct and uses the preposition "in" correctly to indicate location. 

Explanation

The correct option is: We cannot afford to eat in restaurants nowadays.

 It uses the correct verb form "cannot afford" to express the inability to do something due to financial constraints.

Explanation

The correct option is: (a) In France the death penalty was abolished in 1981.

This sentence uses the simple past tense to describe an event that happened at a specific point in the past.

Explanation

In this sentence, "so" is an adverb that modifies the adjective "loud."

It indicates the degree or intensity of the action.

Explanation

"The holidays will begin on June 29."

The preposition "on" is used to specify a particular date.

Explanation

The correct option is: Cats can see in the darkness.

This sentence is grammatically correct and conveys the general truth about cats' ability to see in low-light conditions.