My mother is a teacher. She goes to school _________ 7:00 _________ the morning.
A. at…on B. at…at C. at…in
相关试题
What’s he doing ?
----- _________________________
A.He is dancing .B. He is singing
What are these?
----- ___________________. 
A. These are a pair of shoes.B.These are shorts.
Where are you from?
----- ___________________.
A. I am from China .B.I am from Canada.
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