— Why do you always go to Lanzhou University on weekends?— Because there’re lots of great speakers I can practice English ________ in the English Corner there.
Mom, I don’t know how to work out the math problem. Could you give me a hand?
Why are you mad at me, John?
Mary told me to wait for her at the school gate, but she didn’t appear at all.
This is the best present that I have received.
She is sad. Why don’t you cheer her up?