字典翻译 问答 小学 英语 【英语语法—YangLiweihaswongreathonourforourcountry.—WhoisYangLiwei?—Whataquestion!Itissurprising___C_____thefirstspacemaninChina.A.youdidn’tknowournationalheroB.toyounottoknowhimC.youshouldknownothingabou】
问题标题:
【英语语法—YangLiweihaswongreathonourforourcountry.—WhoisYangLiwei?—Whataquestion!Itissurprising___C_____thefirstspacemaninChina.A.youdidn’tknowournationalheroB.toyounottoknowhimC.youshouldknownothingabou】
问题描述:

英语语法

—YangLiweihaswongreathonourforourcountry.

—WhoisYangLiwei?

—Whataquestion!Itissurprising___C_____thefirstspacemaninChina.

A.youdidn’tknowournationalheroB.toyounottoknowhim

C.youshouldknownothingaboutD.youknewnothingabouthim

Itissurprisng不是后接sbshoulddo为什么这里用了一个know过去式呢?这个sbshoulddo的do不是接动词原形吗?

卢满宏回答:
  选项C里面的确是动词原形啊.
蒋旭宪回答:
  know是过去式的啊
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