A big earthquake＿last night A.occurred B.occurs C.is occurred D.was occurred It suddenly occurred to him ...

____there any snow on the ground last night? A.are B.were C.is D.was

D \u6628\u665a \u7528\u8fc7\u53bb\u65f6\uff0c\u548c\u5355\u6570

\u5b66\u4e60\u662f\u4e00\u4ef6\u6109\u5feb\u7684\u4e8b\uff01 (*^__^*)
\u8bf7\u53ca\u65f6\u91c7\u7eb3\uff0c\u591a\u8c22\uff01

D \u53e5\u610f\u4e3a: \u4ed6\u7a81\u7136\u60f3\u8d77\u94a5\u5319\u5fd8\u5728\u529e\u516c\u5ba4\u91cc\u3002it \u505a\u5f62\u5f0f\u4e3b\u8bed\uff0che had left his keys in the office \u662f\u540e\u7f6e\u7684\u4e3b\u8bed\u4ece\u53e5\u3002\u6210\u5206\u5b8c\u6574\uff0c\u4e0d\u542b\u7591\u95ee\u8bed\u6c14\u3002\u6240\u4ee5\u7528that \u8fde\u63a5\u3002\u3010\u8003\u70b9\u5b9a\u4f4d\u3011sth occurs/occurred to sb \u67d0\u4eba\u7a81\u7136\u60f3\u8d77\u2026\u2026 \u4e8b(\u7269)\u505a\u4e3b\u8bed\u3002\u5982 An idea occurrs to me that the lights in the classroom have been on.

选A，表示过去式，因为有了“昨晚”。 所以B肯定不对，而C是表示被动，地震是自己发生的，句子中没说地震是什么引起的，所以不是被动。 D是过去被动，更离谱。 希望有所帮助，其实几个时态不难，多和外国人说说话有很大提高。

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