非谓语求帮解释啊It showed that 49percent of the students （survey）,form junior to senior high school in the city,suffered from some kinds of mental health problems .为什么survey那个空要填非谓语呢?

非谓语求帮解释啊It showed that 49percent of the students （survey）,form junior to senior high school in the city,suffered from some kinds of mental health problems .为什么survey那个空要填非谓语呢? 英语非谓语动词求解释第二题啊 一道非谓语的选择题,请帮我解释下The first textbook_____for teaching English as a foreign language came out in the 16th centryA have written B to be written C being written Dwritten 帮我讲解一下非谓语动词! 非谓语动词的简单解释 用英语解释下列句子 Miss Li showed me her photos A th... 英语大神在吗非谓语动词的练习求改错带点解释 高中英语动词非谓语题目,求解析.急啊 非谓语动词是什么啊 非谓语动词 .（经济不景气）,it leads to many clerks ------a.laid off b.being laid off 2.He left the village,-------never to come again. a.determined b.being determined 求解释下（两题为什么不同） 求非谓语动词语法讲解 求大神讲解非谓语的用法 求非谓语动词做宾补的句子 谓语非谓语 非谓语动词的形式最好有例题解释 英语语法问题,状语,定语问题.介词短语做状语是不是就是状语从句的省略形式啊不定式等非谓语动词做后置定语是不是定语从句的省略啊?The IASB says it does not want to act without overall planning,but th 什么是谓语从句、宾语从句、非谓语啊?《 有关非谓语动词的题1.John has really got the job because he showed me the official letter_______him it .本题填offering,为何不填to offer?2.It is such a nice place ,Mather said as she sat at the table_______for customs.本题填reserve