_______was your brother _______ he started going to school?A. What time, when B. When, how old C. How old, when
--- It’s hot today. Why don’t we go swimming? ----_________.
---- Has John come ________? ----Yes. He has _________ been here for 10 minutes.
---- May I ________ your pen? ---- Sorry. I _______ it at home.
---- What other things do need, mum? -----________, I think. We’ve got everything ready.
---- ________ is the price of the book? ---- It’s twelve yuan.