Put on your warm clothes, you may catch a cold.

Trains stop here in order to _____passengers only.

How long have you been going to inTanggou Senior Middle School——More than two years——So it will be less than oneyear you graduatefrom this school

Once you ______ the habit of smoking, it is hard toquit.

I’m sorry. I _________ your printer for such a long time. —Never mind.