—Is Jack in the library?

—Is Jack in the library? -IS jack in the library? -Is Jack in the library?-Maybe.I saw him ______ Jack ____ be in the library.He is in the classroom.A.mustn't -Is Jack in the library -Maybe.I saw him( )out with some boo Miss Gao is very young.(改为感叹句） I met jack in the library las -IS jack in the library?-Mabaybe.I saw him _____ out with sa -Is Jack in the library ? -Maybe.I saw him( )out with some b He is in the library对in the library提问 I met jack in the library last week -Where's Jack cooking?-In the school library.（改错） The book is not in the library.