It’s the first time that he has been to Australia, _____? [ ]

’m sorry to say that I can’t go to watch tonight’s match with you, for I have to prepare for the coming exam.—– _______ . Have some fun!

Sorry, Mr. Wang. I _________ my homework at homeagain.—That’s OK, but never __________ it next time.

Tom, I bought a new shirt for you. Come here and .

When did you see him —______.