30.---- Do you think it's a good idea to make friends with your students?---- _____ , I do. I think it's a great idea.
“Isn’t it about time you _____ to do morning exercises?” “Yes, it is. Would you like to join us?”
_____ worries me is _____ we’re going to pay for all this.
Do you know his address?” “No, I also wish I _____ where he _____.”
I’m afraid we can’t have coffee; there’s _____ left.
“I’ve told everyone about it.” “Oh, I’d rather you _____.”