17. ‘The’ table ‘needs’ ‘tidied’ up ‘after’ the dinner. A B C D 18. ‘I’m’ delighted ‘hearing’ your ‘good’ ‘result.’ A B C D 19. Two ‘friends’ ‘should be’ loyal ‘on’ each ‘other.’ A B C D 20. ‘Did’ you ‘finished’ your ‘homework’ ‘last night’ ? A B C D giúp em tìm lỗi sai ạ em cảm ơn

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