What did you do _______ the weekend? [ ]

I can’t say_____ I want to visit my grandma. It’s a long time since we met last time.[ ]

I wish there _____ no misunderstanding on this matter.

Paul isn’t as ______ as Sandy. He often makes mistakes in his homework.

Must I stay here with you?— No, you . You may go home, but you go to the net bar (网吧).