--- Do you know Chang’e Ⅲ Explorer is walking on the moon? --- Great! It sounds .
Do you mind ________ the light. It’s too dark in the room .
—Why not _______us and have a good time at the party?---I would love to. ________ I have a lot of homework to do.
--- ______ do you play softball after school?--- Twice a week.
All the students were sleeping _______they heard a man _______“help”.
Mary saw a dog the side of the road.