-- Mom, when shall we go to Dongying Museum this weekend?-- Oh, sorry. I'm going to Beijing for a meeting. ___Saturday __ Sunday is OK.
They decided ____________ by bus.
---_______do you have an art festival in your school? ---Once a year.
—Could you tell me __________? —Sorry, I don’t know.
I don’t know if it ________ tomorrow. If it _________ , we won’t go hiking.
-I hear you ________ the USA. When ________ you go there? -Last summer holiday. A. have been to; did B. have gone to; will C. have been to; do D. have gone; did