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2个todo被or/and联接,后一个要不要加to?Speciallyinvitedexpertisrequestedtosubmitanarticleormakeapresentation.makeapresentation之前要不要加to?
题目详情
2个to do 被or/ and 联接,后一个要不要加to?
Specially invited expert is requested to submit an article or make a presentation.
make a presentation 之前要不要加to?
Specially invited expert is requested to submit an article or make a presentation.
make a presentation 之前要不要加to?
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答案和解析
应该不用,和submit一样原形.
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