Uncle Ben will com back for Christmas．I'm sure we'll have a________ time together．

Uncle Ben will com back for Christmas．I'm sure we'll have a________ time together．

A.wonder

B.wonders

C.wonderful

D.wonderfully

答案及解析： C

解析：

形容词放在名词前作定语或放在系动词后作表语；

副词用来修饰动词、形容词或副词。time是名词，前面应用形容词。