--Every day, my mother tries to spare some time to chat with me ______ she is very tired after a whole day’s hard work. --How kind she is!
—What do you think of the color of my bedroom? —Sorry, but what did you say? I ________ about something else.
She looks very sad. I want to help her, but I just don’t know ____ to do it.
---How will students study in the future? - -- ____home______ computers.
Xiao Shenyang says that _________ job is to make people happy.
I hope we can fly to _________ moon one day.