21.—You’ve dropped______“s” in the word “acros”.
-Oh,__letter “s” should be doubled like this “across”.
A. a ; a B. an ; a C. an ; the D. the ; the
22According to the Nobel Prize organization, Mo Yan’s work displays a mixture of fantasy and reality, ______ historical and social aspects.
A.conducting B.combining C.conflicting D.concluding
