can you go to Tom's party tomorrow?---No,I_____A.am engaged B.was engagedC.have engaged D.had engaged为什么选A
问题描述：
can you go to Tom's party tomorrow?
---No,I_____
A.am engaged B.was engaged
C.have engaged D.had engaged
为什么选A
答
固定搭配，我有约了。
答
b
答
be engaged 是一个固定搭配