You can improve your spelling _________ you pay attention to it.
You can improve your spelling _________ you pay attention to it.
A、as long as
B、in case
C、unless
D、since
【正确答案】:A
【题目解析】:as long as只要;in case以防万一;unless除非,如果不;since自...以来
句意:只要你注意,你就能提高你的拼写能力。
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