题目内容
I wasn’t sure if he was really interested or if he polite.
A.was just being B.will just be C.had just been D.would just be
A
考查动词的时态。句意为“我不能确信他是真正感兴趣呢还是仅仅为了表示礼貌。”句前wasn’t sure表明说话的起点是过去时,was really interested和was just being polite都是相一致的过去时。故选A。

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