—Our class will have a party the evening of June 30th. Would you like to come?—Yes, I'd love to, but I'm going to visit my grandparents in Dalian.A. in B. on C. at
–Oh! There is a snake in front of Jay. --But it seems that he doesn’t ___the danger.
Uncle Wang didn’t stop to have lunch __he finished mending the TV set.
Our teacher said sound___much more slowly than light.
Will you please show me the way to the only tall building ___stands near the post office?
—Look! The boy in the white shirt ___be Tom. --It ____be him. I saw him enter the library just now.