—Hi,Tom!Can you tell me when__for london?—Yes,tomorrow afternoon A.leaving B leaves C to leave

问题描述:

—Hi,Tom!Can you tell me when__for london?—Yes,tomorrow afternoon A.leaving B leaves C to leave
D 是 are you leaving
我想问为什么选 to leave..此题没有讲解

主要是时态 他这一句话用于将来 A&B都是一般时的表现 而D是现在进行时 所以应该选C