Though a typhoon is on the way, people are still looking forward ________ the outdoor concert by the
pop singer.
[     ]
A．to canceling  
B．not to canceling
C．not to cancel  
D．to not canceling
“Could you help me solve the math problem？”
“Of course, I can.” He replied ________.
[     ]
A．without hesitation  
B．without consideration
C．without discussion  
D．without doubt
To travel to the United States，you must first apply _______ the American Embassy _______ your visa.
[     ]
A．for; to  
B．to; for  
C．for; for  
D．to; to
-How did you make so rapid progress in your English?Do you have any secrets?
-No. Only ________ hard working.
[     ]
A．in terms of  
B．in honor of
C．by means of  
D．on behalf of
After the quarrel, I tried all my best to remove the misunderstanding between us, but all my efforts seemed ________.
[     ]
A．in vain  
B．in case
C．in time  
D．in trouble
The way he did it was different ________we were used to.
[     ]
A．in which  
B．in what
C．from what  
D．from which
It still puzzles the science world why some mammals produce their young ______ and hatching while
others _____ to young babies.     
[     ]

A. lying eggs; giving birth            
B. by laying eggs; by giving birth  
C. by laying eggs; give birth            
D. laying eggs; giving birth

Do you have any difficulty        English?
[     ]
A. to learn
B. in learning  
C. learn  
D. when learn
A personal  visit to a town may help one better understand why it is attractive    1    just reading
about it in a guide-book.

[     ]

A. from
B. than
C. through
D. with
You buy the fruits, ________ I'll cook breakfast.
[     ]
A．on other hand  
B．the same time
C．in the meantime  
D．at all time
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