when is the library open?还是opening

when is the library open?还是opening Does he know _______?A.when open the library is B.when the library is open IS the library on the secod floor?是 where is the library?Is the library open now?what time si it?when is the library open?什么 意思？ When is the library open?的意思是什么 Where is the library? Where is the library? The library is on the he goes to the library every day e____ when he is not well. Maria is the library,填空 -IS jack in the library? Is that the library是什么意思 翻译:when does the library open? 翻译:when does the library open? He is in the library对in the library提问 This Is my beautiful school ( )is near the famous library.a.Where b.which c.Who D.When Why is the library the highest building? Why is the library the highest building? the library is (next to the classroom)