_____ we were studying at hometown, we went fishing
| A．When | B．While |
| C．As soon as | D．As |
My pen is ______. It’s ______ pen.
| A．a red, red | B．red, a red |
| C．red, red | D．a red, a red |
It’s _______ orange. It’s _______ yellow orange.
| A．a, an | B．an, a | C．a, the | D．a red, a red |
–What’s this in English?
-__________.
| A．It’s red | B．It’s a book |
| C．It’s a green | D．I’m OK. |
That is ______ key.
| A．my a | B．a my | C．me | D．my |
找出下列每组字母或单词中含有一个不相同元音音素的选项。
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