.—-Are you happy with this laboratory? —-Not a little. We can’t have _________.

Mom, can I have that transformer?—Behave yourself and you____ have it．

Your English teacher has never lost his temper, _________he?

I’m thinking about going to Germany this summer and I need your adviceYou’re the best person I know to answer my questions,____you’re German

He is much better and can now.