【急】英语语法题!
Wheneleveno'clockcameandhestillhadn'tarrived,Ibegantowonderifhehadhadanaccident.这句话为什么是对的?
Ireallymissthetime___wespenttogetherinmiddleschool.这句话中的空格为什么不能填“when”?
TheaccidentwashappenedwhenIwastryingtofindaplacetopark.这句话错在哪里?
MybrotherhasjoinedtheYouthLeagueforyears.这句话哪里错了?