17.His car isn't very big, but ... engine is powerful. A) its B) his C) it's D) her 18.-Whose spectacles are these? - ... are on the table, and these are my spectacles. A) Our B)Their C) Yours D) Your 19.Somebody left... book on the desk. A) his B) everybody C) her D) their 20.She didn't realise she had got, on the wrong train until it reached ... destination. A) it's B) my C) its D) his 21.Every old house like this has ... strange stories, A) its B) itself C) it's D) their​

17. His car isn’t very big, but its engine is powerful. • Correct answer: A) its 18. -Whose spectacles are these? - Ours are on the table, and these are my spectacles. • Correct answer: A) Our 19. Somebody left their book on the desk. • Correct answer: D) their 20. She didn’t realise she had got on the wrong train until it reached its destination. • Correct answer: C) its 21. Every old house like this has its strange stories. • Correct answer: A) its