---He never stays up late at night, _____ he?---_________. He usually does his homework till midnight.
— ____________________? — I want to buy a ticket to Hangzhou.
It is very cold today, _______ we should put on more clothes.
He likes his job because he enjoys __________ children Chinese.
I don’t like this pair of glasses. Would you show me ________?
It takes about _________ to travel from Garden City to Beijing by plane.