Viết lại câu: My brother usually washes the dishes. (washing)

18. My brother usually washes the dishes. (washing)

=> My brother ……………………………………………………………………………

19. I met her during my stay in London last summer. (staying)

=> I met ………………………………………………………………………………….

20. We had a choice of three main courses for dinner. (choose)

=> We could …………………………………………………………………………......

21. Could you speak English when you were younger? (able)

=> When you were ……………………………………………………………………...?

22. Three hundred students entered the swimming competition last year. (part)

=> Three hundred students ………………………………………………………………