We go to school _______7:30_______the morning .A、in/at B、in/in C、 at/in
---Where is our English teacher? ---She_____ London.
---_____ have you studied English? --- Since I was six.
— Kate! Let’s go to work right now. We’ll be late. — _____. We still have 20 minutes left.
She is often seen ______ the old woman.
_____ this way, you can work out the math problem.