__________ you do the dishes when you were young?
A. Can
B. Could
C. Did
D. Will
Đáp án B
Giải thích: câu hỏi ở thời quá khứ, could + V
Dịch: Bạn có thể rửa chén khi còn nhỏ chứ?
Hospitals might have __________ robots to take care of sick people.
My grandmother enjoys __________. She waters the plants when she has free time.
Choose the letter A, B, C or D to complete the sentences
My father __________ the hedge once a month.
He is so strong that he can __________ the heavy box by one hand.