— Do you have any problems _______ your English?— No, I don’t. But I have some maths problems _______.
Beijing is one of the ____ in the world today.
In our class some students are too shy to __________ our hands when the teachers ask us to answer questions.
If it _____________ tomorrow, we’ll have a picnic.
My parents don’t allow me _____________ out on school nights.
--- Whose hat is this? --- I think it can’t be John’s or Kate’s. It’s much too small for __________.