We will leave for the airport ____ he is ready.
A. as soon as    
B.during      
C.until 
D.while

A number of wildlife reserves have been established ____ endangered species can have a chance to survive and develop.
A.therefore         
B. in order to       
C.so that        
D.so as to

The majority of Asian students reject the American ____ that marriage is a partnership of equals.
A. thought    
B.view  
C.look 
D.attitude

Jack: ‘Can I use your computer?’ Jill: ‘ ____.’
A.No, thanks         
B.Of course 
C. Well done      
D.Yes, I can

Bob has a bad lung cancer and his doctor has advised him to ________  smoking.
A.turn up     
B.give up    
C.take up   
D.put up

Diana: ‘I didn't know you could play the guitar so well, Toan. Your tune was lovely! ’ Toan: ‘____.’
A. You are welcome                   
B. I bought it near my house last week
C.You've got to be kidding! I thought it was terrible              
D.Never mind

Last month I went to visit the college _________  I studied from 1985 to 1990.
A. where 
B. that           
C.who       
D.when

My brothers love ____ my father in mending things around the house at weekends.
A.being joined   
B.joining  
C.join       
D. joined

The passage mainly discusses Rachel Carson’s work
A.as a researcher        
B.at college
C.at the U.S. Fish and Wildlife Service   
D.as a writer

According to the passage, what did Carson primarily study at Johns Hopkins University?
A.oceanography 
B.zoology   
C.literature          
D.history