The chosen answers are C, A, A, A, A, and A respectively for each question. Each answer provides a proper grammatical understanding relevant to the context. The explanations clarify why the chosen options are correct based on English grammar rules.
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Let's go through the questions one by one:
Choose the correct answer: Ann ... write all sentences. Five are enough.
The correct answer is D) needn't . "Needn't" is a contraction of "need not," which suggests that it's not necessary for Ann to write all the sentences because writing five is sufficient.
Choose the correct answer: From the marked areas, identify the one that is wrong. There are such many (1) places of interest (2) in London that (3) Ann can't decide where to go (4).
The correct answer is A) 1 . The phrase "such many" is incorrect. The correct expression should be "so many," making the sentence: "There are so many places of interest in London that Ann can't decide where to go."
Choose the correct answer: They came here ... than an hour.
The correct answer is A) less . "Less than an hour" is the correct expression as it describes an amount of time that is under one hour.
Choose the correct answer: John is a very careless driver. His parents always worry about his ...
The correct answer is A) safety . Safety is the most logical concern for a careless driver, as it relates to the potential for accidents and harm.
Choose the correct answer: Computer games are ... among young people.
The correct answer is A) very popular . The phrase "very popular" appropriately describes how computer games are widely liked among young people.
Choose the correct answer: John is on the verge of visiting his friend's. His friend's going to travel around the world. So, that's why John is going to...
The correct answer is A) see him off . "See him off" means to go with someone to the place where their journey begins and stay with them until they have left.