---Hello, Mike. Long time no see. Where are you? ---Oh, not only my father but also I ________ Wuhan for a month.
---Peter, is there anything else you want to know about China? ---Yes, I am still wondering .
---I will have an exam tomorrow. I hope I can pass it. ---
--- The two old friends were ______ busy _____with each other ______ the time. --- Yes. They haven’t met for long.
---I saw Bettyto Grandpa Li's home just now. ---Yes. She’s often seen _________ the old man with the housework.
---Have you ever traveled abroad? ---Sure. I____ in a small town in the USA with my grandparents.