请你用所给词的适当形式完成下列句子。
1. Here are some things they have learned from ______(scientist ) studies.
2. Sunglasses are used for _____ (keep) out the sun.
3. The students are ______ (confuse) about the ______ (confuse) problem.
4. I’m considering _____ (study) in Beijing or Shanghai.
5. I felt _______(embarrass) when everyone looked at me.
用所给词的适当形式填空。
1. Kangaroos are ______ (play) and chimpanzees are _____ (noise).
2. I was ____ (surprise) to find hardly anyone in the zoo.
3. Visiting zoos are like ____ (live) textbooks for young people.
4. He ____ (use) to be ____ (call) “Little Tiger”.
5. Liu Xiang’s success is an ____（inspire）to us all
Don't worry about him. It's ______ for him to pass the exam.
[     ]

A. easy enough               
B. enough easy  
C. easily enough              
D. enough easily

My father is a good doctor and I am ______ about wanting to be a doctor like him.
[     ]
A. angry  
B. serious
C. surprised                
D. worried
Be _____ of the bus! I nearly hit you!.
[     ]
A. afraid
B. proud      
C. hard          
D. careful  
Maria looks _____ these days because her daughter was hurt in a bicycle accident.     
[     ]
A. happy        
B. worried    
C. confident      
D. unhealthy
Miss Liu is a _____ teacher. We always ask her many questions, but she never feels bored.
[     ]
A. strict        
B. smart        
C. patient        
D. lively
She finds the work very ____ , so she wants to give it up.
[     ]
A. interested  
B. boring      
C. bored  
D. interesting
—What are you busy with?
—An exam. It's _____. If I pass it, I can get a job as a guide.
[     ]
A. crucial
B. easy        
C. anxious   
D. worried
Mr Wang’s lessons are _____, so his students like him very much.       
[     ]
A. alive        
B. live          
C. living        
D. lively
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