I am very glad to have received the letter中to后面为什么用完成时?to后是不是省略了that.否则一个...I am very glad to have received the letter中to后面为什么用完成时?to后是不是省略了that.否则一个句子不是有

I am very glad to see you i am very glad to help you （I am very glad to know you）.啥意思? I am very glad to hear trom you. I am very glad to join in this class. I am glad to be I am glad to your I am very glad to hear that you want toI am very glad to hear that you want to visit Shanghai this summer翻译成中文 I am very glad I have a c===? to visit Hainan We will be glad to attend或者I am very glad to meet you!为什么加will用原型be glad to do请老师指导 I am very glad to do it for you. 句型转换 I am ___ ___glad to do it for you. I am very glad to be your pen-friend翻译成中文是什么 i am very glad（ ）here A to be B be C come I am very glad to get an English book from him.翻译 英语翻译I am very glad to hear that you have been engaged. I am very glad to hear from you and know everything is OK.翻译 I am very glad to hear the news about your book. I am very glad to hear about the news句中的about 需要吗