I went to the window to make sure whether something had happened.这个句子中的whether是不是错误的?

请问I went to the window to make sure whether something had happened.这个句子中的whether对不对? I went to the window to make sure whether something had happened.这个句子中的whether是不是错误的? I went to the window to make sure whether something had happened.这个句子中的whether是不是错误的? After cleaning the floor,I went on to clean the window.为什么打扫要加ING呢 I have to close the window. i saw many good things in the shopping window when i went to the bookstorei___many good things in the shopping window___ ____ ____ ____the bookstore I went to () the Great () I went to the far 是I went to the shop I went to the shop还是I went to shop? She went across to the window.其中across不已经是介词为什么后面还要加to?或者She went to the window不也可以吗? 根据句意写单词 It was ----- of you to leave the window open when you went out . I went to the park.（变现在完成时) I went to the zoo last Sunday. I went to the cinimen last night. I went to visited the museum. I went to the supermarket是什么意思? I was went to the cinema I went to the cinema,有I was went to the cinema I went to the cinema,有什么不同. i went to the bookstore什么意思