I don’t know _________, but I guess he may be a doctor.
--Excuse me,Mr. Li,_________ I close windows? It’s cold now. --Yes,you__________
--Is Miss White________ English teacher, Maria? --No,she teaches________ geography.
This kind of ice cream is very nice. Can you give me___________?
__________the boy___________!
During the entrance exam,there are___________ parents waiting for their children outside the test centre.