We should do what we can ( ) those in trouble .A, to helpB. heip C. helpingD, will heip答案是A ,但是我觉得can后面应该是动词原型呀,怎么解释

what should we do today We should ---------- what to do next .(consideration) What should we do before meals? we do should what句子排序, what should we do?的回答 What should we do to prevent AIDS? we should do what we can protect the environment改错 We don"t know what we should do next What should we do before we go bed? What should we do before we go to bod? what should we do when we have a fever ?/是什么意思 What should we do?when we have the fever what should we do before we c_____ the road. what should we do before we enter a house in 英语翻译we should accept what we can do and face what we can not do. Should it happen,what would we do?______it happen,what ______ we do?填should;would what+we+should+do+和what+should+we+do+的区别 What should we do?那个“should”可以换成“shall”吗?