she's always drinking water.这是什么时态

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• she's always drinking water.这是什么时态
• 答得好加悬赏1.There is ____(a/an)"s"in the word "desk"请说明如何区分元音单词 2.we spend an hour finishing _____(the/不填)说明原因3.____(that ,this)is all i wanted to say 说明理由4.I' m afraid get an injection is ____(much too;a lot )原因5.He returned ____(at /on)a rainy night 正确答案是at.但是不是说具体的一天用On 6.解释下括号里为什么用这个时态She always (studied)something whenever she(played)7.-has Tom finished his homework today?-I have no idea .He (was doing )it this morning 括号里为什么不用现在完成时?8.They were (frigh
• what was she wearing?She wore a yellow and blue T-shirt 问句是过去进行时 回答却用了一般过去时 为什这是小学英语六年级下册的story time 中的句子I lost my friend at the museum.What's his name?Her name is Zip.How tall is she?I think she's 55cm.She's shorter than me.What was she wearing?She wore a yellow and blue T-shirt .那为什么问句要用过去进行时呢?问句 和回答 时态应该相照应啊 当然policeman 问zoom的时候 是指他的朋友走失的时候 穿的是什么衣服,,走失发生在问之前,应该用过去时态,,是不是既可以用一般过去时 What did she wear?也可以用过去进行时
• 1.What's the matter with her?She says that she have got headache.请问回答中的have是否要改成第三人称单数形式has?可是has是have的第三人称一般现在形式,got又是get的过去分词和过去式,has和got放在一起是不是矛盾.如果可以,这句话就是主语+has+过去分词+其他 那这句话算不算完成时态?现在完成时态为什么会有has这个第三人称现在式?这是不是很矛盾?
• she is been always...这是一个什么时态?
• she is been always...这是一个什么时态?she is been always...这是一个什么时态知道不?在电影里面看到一句这样的话.但不知道是什么时态（韩剧:八面玲笼的申小姐).
• 已知方程x2+（2k+1）x+k2-2=0的两个实数根的平方和等于11，即x12+x22=11，则k的值是（　　） A.-3或1 B.-3 C.1 D.3
• 弱酸弱碱有没有可能完全电离?为什么?