【题目】It is ________ certain that all your classmates will be dressed________at the new year evening party.
A.pretty; prettyB.pretty; prettily
C.prettily; prettilyD.prettily; pretty
在线课程【答案】B
【解析】
答案 B [第一空用pretty作副词，意为“非常；很”；第二空用prettily修饰dressed，意为“好看的，漂亮的”。]