No one _____ be more generous; he has a heart of gold.

The door ________ open, no matter how hard she pushed. 

— What are you doing this Saturday?— I’m not sure, but I go to the Rolling Stones concert      

--Why are your eyes so red? You _______ have slept well last night.---Yeah, I stayed up late writing a report.

The children _____lost in the woods; otherwise, they would have been at the lakeside camp as scheduled. 

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

It             be the vocabulary that caused you the problem in the exercise because you know a lot of words.

 --- You needn’t take an umbrella. It isn’t going to rain.--- Well, I don’t know. It     do.

--- It’s so late. Our son______ be back!--- Don’t worry. I dare say he ______ have some extra work to do.

----Must I finish the jod at seven o’clock?----No, you___________

—Why don’t you wear your jogging shorts, mum?—Well, my legs are too skinny, if you ______ know. 

--- Alice looks sad. Did you tell her about her brother’s accident?--- Sorry, I ________ her just before her final exams.

I ________ be a little bit slow, but at least I don’t make stupid mistakes. 

-- Waiter! How soon can I get my food? I just have half an hour left before my train leaves.-- It ______ be ready in five minutes.

—What does the notice on the wall say?—“No person       take books out of the reading room; otherwise he would be fined.”

-- Why didn’t you go to Mike’s birthday party yesterday?-- Well, I _____, but I forgot it.

–Carla _______ go to that historical museum after school when she was a teenager. --No wonder she is so familiar with it. 

The boss has given everyone a special holiday, so we ________ go to work tomorrow.  

Most of the big hotels in Shanghai were full last week, but finally we______find a room in a small one.

—Catherine,  I have cleaned the room for you.—Thanks. You_______ it.  I could manage it myself.