Peter didn’t use to be heavy, did he– ________. But look, how thin he is!

一I’m sorry! Iwould have taken him to hospital if I had known he was seriously ill.一But ______ .

He stood there dumfounded without daring _______ his head as a consequence of his wrong action. [ ]

We’re too busy _____ a long vacation this summer, ______ the fact that we can’t afford it

Who is the tallest boy–It ______ be John. Because John is of mediumheight..