He has made some spelling mistakes in the paper; , they are not serious.A.butB.t
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He has made some spelling mistakes in the paper; ______, they are not serious.
A.but
B.therefore
C.even if
D.however
试题答案
D
本题的含义是他虽然在试卷上犯了一些拼写的错误，然而不是很严重，表示部分转折英文中通常用however，故本题选D。