Match to form collocations. Then use the phrases in the correct form to complete the sentences.

{ "Part A": { "1": "to move house (b)", "2": "to sit an exam (e)", "3": "to practise a musical instrument (d)", "4": "to throw a party (a)", "5": "to lose something valuable (c)" }, "Part B": { "1": "We moved house. Our new address is 58 Whitehart Road, Portsmouth.", "2": "I am sitting an exam this afternoon and I feel very stressed.", "3": "How about throwing a party for your birthday?", "4": "What are you looking for? Have you lost something valuable?", "5": "Helen always complains unless she practises a musical instrument.", "6": "Is there a room at school where students can sit an exam?" }, "Explanation": " Part A: Matching Collocations * 1 to move house (b): 'Move' goes well with 'house' to indicate changing where one lives. * 2 to sit an exam (e): 'Sit' is used in the context of taking or undertaking an exam. * 3 to practise a musical instrument (d): 'Practise' is used with 'a musical instrument' to denote improving skills on an instrument. * 4 to throw a party (a): 'Throw' is used to describe organizing and hosting a party. * 5 to lose something valuable (c): 'Lose' is paired with 'something valuable' indicating the loss of a prized item. Part B: Completing Sentences * 1: We moved house. This sentence uses 'moved house' in the past tense to show a completed action of changing homes. * 2: I am sitting an exam. Here, 'sitting an exam' describes an action in progress, hence the present continuous tense. * 3: How about throwing a party? The phrase 'throwing a party' is used as a suggestion. * 4: Have you lost something valuable? This sentence asks about a past event where something valuable might have been lost, using the present perfect tense. * 5: Unless she practises a musical instrument. This explains that Helen complains if she doesn't dedicate time to playing. * 6: Where students can sit an exam? This question asks if there is a location for students to take their exams, again using 'sit an exam'." }