glad you've come back from thailand.please tell me how long you(have stayed) there答案给的是：have stayed为什么have stayed?而不是stayed,或had stayed?

时态题i'm glad you've come,Miss Rose;I ______you,but you've saved me the trouble now.A.am going to callB.was about to callD.am to call说说哪个对以及其他为什么错 l'm glad you've come back from london.Please tell me__________A,how long you had stayed there.B,how long you stayed there.选的是B但是为什么呢? I am glad that you have come 是什么从句. i am glad that you will come 是什么从句? 是I'm glad you came还是come?怎么说对? 翻译 L'll feel glad if you can come i'm glad you come along.i'm glad后面可以接句子? glad you've come back from thailand.please tell me how long you(have stayed) there答案给的是：have stayed为什么have stayed?而不是stayed,或had stayed? I’m glad you’ve come back from Beijing.Please tell me how long you ________there为什么用stayed 而不用have stayed had stayed 或have being stayedstay是延续性动词把。 I'm so_____(glad)to see you again.I've been waitI'm so_____(glad)to see you again.I've been waiting for you for three hours. I’m always saying “Glad to’ve met you” to somebody I’m not at all glad I met.英文翻译? 英语翻译Hi Mathew,I’m glad you can come in today.You’ve been observing Mr.Grable’s third-grade class for your approaches to education paper,right?加一句不懂的加一句，I’m so glad the classroom observations are a requirement for t I'm glad that ...I'm glad that i've learned to balance things and it has helped prepare me for what is to come after graduation. I' ve been hopin' you come back to The man,and now you've come back yet You've come back to New York so soon.翻译 I'm very glad to see you,I_____(not know）you had come already I am glad you have come ,I am ------telephoning you 为什么填on the point of