As everyone knows, rubbish           everywhere.

A. need be thrown      

B. mustn’t be thrown      

C. can’t throw            

 Some students are so         that they often make mistakes in their homework.

A. careful         B. carefully           C. careless

–Do you know         ?

–Yes. At about twelve. I was just about to go to bed.

A. when he came back     

B. when he will come back  

C. whether he goes to bed late

– There are 60 students in my class and 45 of them use weibo very often.

– 45? That means about         of your classmates are weibo users, right?

A. half            B. two thirds              C. three quarters

–         did Prince William's wedding last?

– It lasted for about 5 hours.

A. How far                 B. How long            C. How soon  

When you read, don't         every new word in the dictionary. Try to guess its meaning.

A. lookup            B. work out           C. give up

There are no customers in the hotel. It ______ have the friendliest service.

A. can’t              B. must                    C. may

–Which one do you want to buy, an ipod touch 4, an ipad 3 or an iphone 5 ?

–         . They are too expensive.

A. All                  B. None                C. Neither

I Believe I Can Fly is a nice song by R. Kelly. This song tells us that believing in          is very important.

A. themselves          B. ourselves               C. itself

Sally used to be ______, but now she enjoys meeting and talking to new friends.

A. shy                 B. active                 C. outgoing