Will $500________—I’m afraid not.We need at least 300 dollars.

May I take your order, sir-I’d like two _____ ,please.

Not all insects are pests; in fact, a great many of them are ____ to man.[ ]

I didn’t buy the book because the seller wanted money than I had expected.

you mean that we have lost our way—_____, my dear. We’d better ask someone for help.