What are Joe and his friends doing? —They’re talking about something interesting _____ the table. [ ]

Is this your ruler? ——No, it’s

I hear all the museums will be open to people free in Hangzhou soon. — That’s good news. More people will ________ their weekends visiting the museums.

What a mess(杂乱)! Tony, you should ___________ your things to keep the room clean.—OK, Mum! I’ll do it at once.

You can hardly imagine the difficulty the woman had________ her children.