We go to school _______7:30_______the morning .A、in/at B、in/in C、 at/in
He _____ to sleep already. I _____ him about it tomorrow.
Sam is my friend, he is a _____ boy now.
Daming hasn’t learnt singing _____ dancing.
---Where’s your father? ---He _____ to work.
---Have you finished your work _____? ---Yes, I have. I’ve always finished it.