— How nice the fish tastes! Could you tell me who taught you to cook it? —To be honest, I learnt it watching TV. I learn to cook many dishes TV.
---____ do you study for a math test? ---I study math ____ lots of exercises.
The little girl is ________ young ________ look after herself.
The two dresses are very nice. I can’t decide _________。
Sixteen-year-olds should _________their ears pierced.
His grandparents used to ________ a walk after dinner, but now they are used to ________ a walk after breakfast.