He______ten lectures on American history, but he only gave two because of his il

游客2023-11-03 39

问题 He______ten lectures on American history, but he only gave two because of his illness.

选项 A、might have given
B、could have given
C、should have given
D、must have given

答案 C

解析情态动词题。might have done表示“过去可能发生的事情”，实际上没有发生，含有责难之意；could have done表示“过去能做某事而实际上没做”，含有遗憾之意；should have done表示“过去本应该做某事”，但事实上未做；must have done表示对过去情况肯定的推测，意为“肯定做过某事”。根据句意应选[C]。

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He______ten lectures on American history, but he only gave two because of his il

Itwillbecastingpearlsbefore______becausehedoesnotknowhowtoappreciate

He______tenlecturesonAmericanhistory,butheonlygavetwobecauseofhisil

Becausefilmis______tolightitmustbekeptindarknesstoavoidexposureunde

"Lookatthoseprettygirls’skirts"is______,becauseitisnotclearwhetherth

"Theywereamusedbytheclumsypanda’smovement"is______,becauseitisnotcl

Itisbecauseofariseinairfares______they’vesurchargedus10%onthepri

Alltheflights______becauseofthesnowstorm,wehadtotakethetraininstea

Iexpecttheorangejuice______undrinkablebecauseithasbeenputtherefors

Ourjourneywasslowbecausethetrainstopped______atdifferentvillages.A、un

NativeAmericanartworkandartifactshavebeen______collectedandstudiedabr

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