John worked hard at his lessons and gained ________to a famous university last year.

A．permission  B．admission C．agreement   D．freedom

There are 40 students in our class，who come from a  ________of backgrounds.

A．variety   B．mixture   C．extension     D．combination

 —Hi，Peter. Long time no see.

—Oh，it’s you，Jack. I’m sorry I didn’t  ________ you at first.

A. know    B. recognize    C. remember      D. realize

 People are encouraged to speak openly，but careless words are ________to hurt others’ feelings.

A. possible    B. probable  C. likely      D. sure

 Our bodies are strengthened by taking exercise.  ________，our minds are developed by learning.

A. Probably      B. Likely   C. Similarly     D. Generally

 Smoking is one of the ________causes of cancer，killing millions of people each year.

A. major  B. similar  C. commercial    D. chemical

 In a sports team each player has a clear role，and there are few occasions ________members are confused or uncertain about their roles.

A. whose  B. that  C. when  D. which

 —I’m green at everything.

—Don’t worry.  ________you get older，you will get more experience.

A. As  B. Till  C. Unless  D. Since

 As a film star she was a success，but as a wife she was  ________failure，so their marriage ended in ________failure.

A. 不填；不填  B. 不填；a  C. a；a  D. a；不填

 —You are late again，Tom?

—Sorry，but I got ________a heavy traffic jam.

A. caught in　　B. taken in　　C. put off　　D. held by