摘要： John was made the truck for a week as a punishment. A. to wash B. washing C. wash D. to be washing to与do不共存的省略: do but I have no choice but to call the police. I have nothing to do but call the police. 主语中出现do / did / does.表语的to要省略 What I want to do is go shopping. to不省略的一种形式: warn sb. to do / wait to do / offer / order / lead / love / fail / hope / happen / expect / ask / allow / decide / manage / afford / permit / prefer / pretend / said

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