he looked as thoughhe___ill for a long time.were has been为什么用were 不用has been

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• 5.He looked as if he _____ ill for a long time A.was　　 B.Were C.has been　　 D.had been
• he looked as thoughhe___ill for a long time.were has been为什么用were 不用has been
• 5.He looked as if he _____ ill for a long time A.was　　 B.Were C.has been　　 D.had been
• 英语填空（②为平方）1.若关于X的一元二次方程X②-X+a-4=0的一根大于0,另一根小于0,求实数a的取值范围.英语1.The person___ ____.I spoke just now is the manager that I told you about2.The pencil ____ _____ he was writing broke.3.Wu Dong ___ ___ t weng to the concert,enjoyed it very much.4.The teo things ____ ____ Marx was not sure were the grammar and sone of the idinms of english.5.Her bag ____ ____she put sll her books,has not been found.6.The stories about the long March ______ _______ this is on
• 提问,英语的一些单词、短语、句型用法1、We are all here waiting for Miss Green to come 为什么用to come2、I saw a big dog lying under the tree when walking past the shop为什么不用was walking3、All has been done now.We can go.这里为什么用has?是All为不定代词还是将All看为一个整体还是什么?4、The students were all tired,but none of them stopped to have a rest-Do you want an apple,a banana or a pear?-None,they all look bad为什么用none,不是人和物吗?5、I think he must be in the office now,isn't he?是否情态动词反意疑问句都用be动词?
• You must 他可 good care （ ） young children.
• my mother works in a hospital.改为一般疑问句