我在北京英文

Tom 在哪儿?他去书店买书了. Where is Tom?He has gone to the bookshop to buy books. 我在北京待了5年了. I have stayed in Beijing for five years. Jack 去过上海两次了. Jack has been to Shanghai twice. Ten years have passed since they got married. (have-> has) Jim has gone to Beijing for 2 years.(gone -> been) What time have the factory opened?(opened-> been open) I have gone to Chunhua Middle School twice(gone-> been)