找出题目中字母所含元音音素不同的选项：
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____ a cold winter morning, I met her in the street.
| A．In | B．On | C．At | D．For |
Why did you get up so early ___ this morning.
| A．on | B．/ | C．at | D．in |
The Eiffel Tower __________ for the 1889 Paris Expo. It is a symbol of the city now.
| A．built | B．was built | C．has built | D．was building |
Could you please tell me ___________?
| A．whose book is this | B．whose book was this |
| C．whose book this is | D．whose book this was |
---How far is your home to your school?
---It _________ me about twenty minutes by bus.
| A．costs | B．spends | C．pays | D．takes |