Cars, buses and bikes ________ stop when the traffic lights turn red.

------Shall we meet at the station at 8 a.m? -------In fact we________.The train _______until 10a.m.

--Would you like to visit Kun Ming by yourself this summer vocation? --I’m not sure. I _____go there with my parents because of the terrible thing at the railway station.

Jim. You are late again.  ---   sorry. I___   next time.

 Jack _______ swim when he was five years old.