-Whydidyoulookanxious?  -Iwasn’tsure

问题详情：

- Why did you look anxious?

   - I wasn’t sure ______ to my birthday party or not.

  A. whether Bob will come        B. if will Bob come

  C. whether Bob would come      D. if Bob would come

【回答】

C

知识点：宾语从句

题型：选择题