单选题 We look forward to ______ to the opening ceremony.
  • A. invite
  • B. be invited
  • C. having been invited
  • D. being invited
【正确答案】 D
【答案解析】[解析] look forward to是“期望，期待”，to是介词，因此后面要跟名词或动名词。本句主语和动词invite又是被动关系，因此选D。