He pretends _______this thing.A、not know B、not knowing C、not to know
— I can’t reach high. What shall I do?— David to help you.
— Do you know the man Li An?— Yes. He is regarded as one of the directors in our country.
— Ring me up when you get to Beijing, please.— Sure, I .
— Peter, don’t forget your aunt when you are in Hangzhou.— I won’t, Mom.
— Hello, Beijing Airport.— I hope you can me with some information about the tickets to Hong Kong.