We ________the difficulty together, but why didn’t you tell me?

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

- These apples look very beautiful.- They ________. See the price $ 3.99 a pound. Very expensive, aren’t they?

So many people violate traffic regulations that we ____ put too much emphasis on the importance of traffic safety. 

 You _____ me because I didn't say that.

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

– I ran 10 miles last weekend. Can you believe that? – Wow, that ______ easy!

You'd better take a heavy coat. Sometimes it ______ be very cold.

-- What’s wrong with your pen?-- The ink ___________ come out.

— May I smoke here?— No, you ________. Can’t you read the sign “NO SMOKING”?

 —“Crash diets” make us lose weight fast and I am all into that. —But it_______better to work out.　   

 — Is Jack on duty today? — It ________ be him. It's his turn tomorrow.

 －Are you coming to the English evening?－I’m not sure. I     go to the concert instead.

You _____ her in her office last Friday, she’s been out of town for two weeks.

--- Guess what! I have got A for my term paper.--- Great! You _____ read widely and put a lot of work into it..

This basketball team had lots of excellent players, so its fans never expected that it ____ have failed in the final. 

— Hello, may I speak to Mr. Wu? — I’m afraid he is not in now. ______ I take a message?

“I’m astonished, Mum,” said my son to me the other day, “that some people in the world ____be so ready to fight with others, addicted to killings.

According to the rules of Daddy, where are we going?, nobody _______ take along with them cash and cell phones.

He ______ sleep, although he tried to, when he got on such a hunt for an idea until he had caught it.