-________ have you been like this?-Three days.A. How long B. How far C. How many
-----What time do you usually go to bed? ----- At half _______nine.
Can you help me ________my English?
It takes _____one hour _____my homework every day.
Bob can play ________ tennis but can’t play ________ violin.
—Could you tell me the way to the nearest KFC? —Sorry, I don’t know, _______.