早上遇见刘老师,应说: A. Thank you, Mr. Liu.B. How?C. Good morning, Mr. Liu.
This is _____orange. A. an B. a C. this
I live ______a house. A. in B. on C. at
_______tall are you? A. Who B. What C. How
Where ____you live? A. does B. do C. are
I go to school ______. A. bus B. by bicycle C. walk