I wonder why Jenny ____ us recently. We should have heard from her by now.
A．hasn’t writtenB．doesn’t writeC．won’t writeD．hadn’t written
A
前句中recently與事句中動詞民用的語氣為重要提示：We should have heard from her by now.="We" haven,t heard from her by now此處討論最近該發(fā)生而沒發(fā)生的事，用現(xiàn)在完成時態(tài)：…h(huán)asn’t written us recently.
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