Sir, you are not allowed to enter the building unless you get our manager’s__.

A. permission    B. connection       C. instruction    D. introduction

---I’m sorry. I _________at you the other day.

---Forget it. I was a bit out of control myself.

A. shouldn’t have shouted           B. shouldn’t shout  

C. mustn’t shout                    D. mustn’t have shouted

When the thief found the police had already ______ him, he ran away quickly.

A. realized    B. known        C. spotted      D. stared

The reason ______ he failed was _______ he was too careless

A. because; because    B. why; because   C. that; that     D. why; that

I can’t find the recorder in the room. It ________ by someone.

A. may take                 B. may have been taken away

C. must have taken away      D. needn’t have been taken away

It is reported that two schools, ___________ are being built in my hometown, will be open next year.

A. they both       B. which both     C. both of them    D. both of which

_________ parents say and do has a life-long effect on their children.

A. That            B. Which          C. What           D. As

________ you are interested in astronomy, you can read the book.

A. Even if        B. Now that         C. Unless           D. As soon as

It is reported that the United States uses ____ energy as the whole of Europe.

A. as twice     B. twice much     C. twice much as    D. twice as much

It has been proved _______ eating vegetables in childhood helps to protect you against serious illnesses in later life.

A. if          B. that     C. what      D. when