题目内容
I’m tidy , my sister is not.
| A．and | B．but | C．under | D．always |
B
解析试题分析：and和，并且；but但是，可是；under在下面；always一直，总是。句意：我很整洁，但是我的妹妹不。联系上下文，可知前后为转折关系，故选Ｂ。
考点：考查词义辨析。
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