John has taken in swimming as he wants to keep fit.

A. with  

B. to      

C. for    

D. at

A. put off                    

B. put on                     

C. turn off                   

D. turn on

A. read fast                 

B. dipped into             

C. read slowly             

D. criticized

A. Team managers’ effort in promoting the quality of players’ sleep.

B. Sleep less makes players easily injured.

C. The effective side of adequate sleep.

D. How sleep transformed professional football.

A. The dictionary contains a lot of words except the one you need.

B. You can find the meaning of this word in the dictionary.

C. There are a lot of words in the dictionary for you to look at.

D. You should buy this dictionary to find the word you need.

A. most incredible       

B. more incredible       

C. the most incredible  

D. as incredible

A. My assignment needn’t be submitted today.     

B. I mustn't submit my assignment today.

C. My assignment must submit today.          

D. I shouldn’t submit my assignment today.