We usually use "an" before a word beginning _____ a vowel (元音音素).        
[     ]

A. of
B. with
C. at
D. as

What do the roses usually stand _____, do you know?
Yes, love.
[     ]
A. of
B. at
C. for
D. against
The Great Pyramid is made _____ of two million stones and each stone _____ more than two tons.        
[     ]
A. from; weighs
B. up; has
C. from; has
D. up; weighs
Were you watching TV _____ 8:00 _____ 9:45 yesterday?
[     ]
A. at; and
B. from; and    
C. between; to
D. from; to
—I think collecting things is good for health.
—Yes, I quite ______ you.
[     ]
A. agree
B. agree to
C. agree on
D. agree with
I am interested _____ football, but I am not good _____ it.
[     ]
A. on; in
B. with; for
C. in; at
D. for; in
China is a great country. It is famous ______ her long history.
[     ]
A. as
B. at
C. for
D. of
My son is only four years old,  so it is hard _____ him _____dress himself every morning.            
[     ]
A. for, to                  
B. to, for                
C. to, to
—Did you _____ the Dragon Tower?          
—Yes, I _____ it was the tallest steel tower in Asia.                      
[     ]
A. hear,  hear about              
B. hear about,  heard that  
C. heard about,  hear
Please call Sonia _____ 8968989.         
[     ]
 A. in    
B. for    
C. on    
D. at
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