—Are these your English books? —Yes, ________.
I don't know________ they have passed the exam.
— I wonder if I can learn English well.—________. All things are difficult before they are easy.
When you come across new words in reading, it is not a good idea to in a dictionary at once.
— 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.
— What’s the of the car at present? — It’s about 70 kilometers an hour.