He ____the job well, but he_______so careless.

 If human beings had been a bit less greedy and cruel, more birds and animals _______dying out.

This cake is very sweet. You _________ a lot of sugar in it.  

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

He paid for a seat, when he _________ have entered free.  

—Do you know where David is? I couldn’t find him anywhere.—Well. He _________have gone far—his coat’s still here. 

Helen _________ go on the trip with us, but she isn’t quite sure yet. 

 Mr. White _______ at 8:30 for the meeting, but he didn’t show up. 

— Excuse me, Is this the right way to the Summer Palace ?— Sorry, I am not sure, but it _______ be. 

— I don’t mind telling you what I know. — You _____. I’m not asking you for it. 

I ______ pay Tracy a visit, but I’m not sure whether I will have time this Sunday. 

— I’ll tell Mary about her new job tomorrow. — You ______ her last week. 

 “The interest ______ be divided into five parts, according to the adreement made by both sides,” declared the judge. 

You might just as well tell the manufacturer that male customers _____ not like the design of the furniture. 

How ______ you say that you really understand the whole story if you have covered only part of the article ?

 — What's the matter with the man hanging his head there?— Well, if you _____ know, he was caught stealing my bike. 

— Lisa hasn't lived here for long. She _____ know many people.

 — There's someone outside. Who it be ?— It must be Mary. She promised to come over at 8: 00.

 Recently quite a lot of experts _____ that another law on wildlife protection ____ as soon as possible. 

— Why! I _____ get you on the phone. — We ______ basketball on the playground when you phoned.