找出题目中字母所含元音音素不同的选项：
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Some robots are ______ to do the same things ______ people.
| A．enough smart, as | B．enough smart, with |
| C．smart enough, as | D．smart enough, for |
Beijing is one of the ______ in the world today.
| A．busiest city | B．busiest cities | C．busy city | D．busy cities |
Sick kids will ____ in the hospital
A be taken good care B. take good care
C.be taken good care of D. take good care of
I could speak ______Japanese_______ Chinese , so I had to talk with him in English.
| A．not only; but also | B．both;and | C．neither; nor | D．either; or |
The river through our city is about__________.
| A．6000 metres long | B．6000-meters-long |
| C．6000-metre-long | D．6000 metre long |