English

The correct word to fill in the blank is 'either' because the sentence presents a choice between two options connected by 'or'. The phrase should be 'He is looking for accommodation either in a flat or a shared house.' The word 'both' is used when referring to two things together with 'and', but here the conjunction 'or' indicates a choice, so 'either' is the appropriate word. The other options 'until' and 'neither' do not fit the context.

The correct preposition to complete the phrase is 'to', as in 'applicable to accident claims'. This is the standard collocation in English.

The sentence requires the subject pronoun 'they' for the first blank because it is the subject of the clause 'couldn't find anything.' The second blank also requires the subject pronoun 'they' because it is the subject of the relative clause 'they liked.' The pronoun 'they' correctly refers back to 'Anna and Tania' in both cases. Therefore, 'they, they' is the correct choice.

The correct phrase is 'took lessons to learn how to swim' because 'to learn' is the infinitive form used to express purpose. The other options are grammatically incorrect in this context.

Option C, "smarter than those," is the correct comparative form when comparing students in our school to students in other schools. It correctly uses "smarter" with "than" and specifies "those" to refer to the students in other schools, making the sentence complete and grammatically correct.

The word 'Assailant' means a person who attacks someone physically or verbally. 'Assaulter' is a synonym as it also refers to someone who attacks. The other options do not have similar meanings.

The sentence uses 'Look!' to indicate something happening right now, so the present continuous tense 'is leaving' is correct. 'Leaves' is simple present and less appropriate here, while 'leaving' alone is not a verb form, and 'does leave' is emphatic and uncommon in this context.

The correct preposition to indicate a time range is 'from', as in 'from eight to seven'. The phrase 'between' is used with 'and' (e.g., 'between eight and seven'), not with 'to'. Therefore, the correct sentence is 'The departmental store is open from eight to seven.'

The phrase 'cock and bull story' refers to an unbelievable or implausible story, often fabricated or exaggerated, making option D the correct choice.

The correct preposition to use with 'argue' in this context is 'with,' making 'argue with you' the correct phrase. The other options do not fit grammatically or idiomatically.