It ________him really an hour to get there by bike.

Do you think it’s a good idea to make friends with your students?— _____ , I do I think it’s a great idea[ ]

“Let’s play computer games.” “That ____interesting.”

Is the doctor your sonHas he graduated from university—Yes，he in Nanjing Medical University for 5 years.

－Do you mind me smoking here－______. Look at the sign. It says,“ No smoking.”