- Can I pay the bill by check? -- Sorry, sir. But it is the management rules of our hotel that payment ______ be made in cash.

 You can’t imagine that a well-behaved gentleman _____ be so rude to a lady.

—Look at the sign. You_____ fish here.—Sorry, I didn’t know.

—        I know by what time you want the project to be done?—By the day after tomorrow.      you finish it on time?

 — Isn’t that Ann’s husband over there?  — No, it ________ be him — I’m sure he doesn’t wear glasses.