go on doing继续干某事,不停地干某事 go on with 继续 go out 出去,熄灭 go over 仔细检查,复习 go through 浏览;翻阅,通过
原则十、 非谓语动词的否定原则是在非谓语动词前加not,有not to do, not doing, not having done, not to have done几种形式 例23___that he was in great danger,Eric walked deeper into the forest. A. Not realized B. Not to realize C. Not realizing D. Notto ...
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