The boys have swum just now.That is why their hair is wet.just now不是用于过去时吗?这里为什么用于完成时?完成时不是只能用just吗?

The boys have swum just now.That is why their hair is wet.just now不是用于过去时吗?这里为什么用于完成时?完成时不是只能用just吗? The boys （ ）.That is why their hair is wet A.have been swimming B.have swumC.have been swumD.swim答案是选A为什么不选C或B呢?The boys ___________ just now.That is why thier hair is wet.A.have been swimmingB.have swum求详解 The boys have 什么face 一道英语时态简单选择题（现在完成时与现在完成进行时）The boys ___________ just now.That is why thier hair is wet.A.have been swimmingB.have swum我就觉得应该选A究竟选哪个更适合呢?现在完成进行时是可以 下面几句英文有错误吗?The boys have cat.Boys have cat.The boys have a cat 填空Look ------- the two boys.They have the same-------. The boys are talking about when_(have) the class party The boys have a football? 对the boys t提问 为什么用who has ? The boys have some gameboys.一般疑问句是Do the boys have gameboys?还是have the boys any gameboys?快啊,明天就期中考了~ The boys have different____.A.names B.nameC.father the boys usually have breakfast at scgool.(对now提问) The boys ___(not have )an English class now. The boys ______( have) a music lesson now. The boys a big ball.用have/has the boys also have their sports shoes in their lockers what do you know about the sea?you must have seen it.some of us have swum or bathed in it.it looks beautiful on a fine sunny day and it can be very rough when there is strong wind. 英语翻译if weren't for the generosity and sympathy of our babysitter,I don't know how I would have fed my boys.Our babysitter would voluntarily(offer) to bring over groceries once in a while,especially during the holidays,when our boys would be j All the boys have a comic book 的同义句 ______ _______ the boys ________ a comic book