c must have done 對(duì)過去事實(shí)最有把握的肯定推測(cè)
句中有提示"她看上去很開心"和"考試根本不難"說明說話者對(duì)這一事實(shí)的肯定態(tài)度.
-She looks very happy .She___have passed the exam.
-She looks very happy .She___have passed the exam.
-Iguess so.It's not difficult after all
A.should
B.could
C.must
D.might
要解釋為什么...
-Iguess so.It's not difficult after all
A.should
B.could
C.must
D.might
要解釋為什么...
英語人氣：828 ℃時(shí)間：2019-09-06 21:32:59
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