根据下列句子,适当的单词,补全句子。
l You are not allowed in the museum.
2. No is allowed in a doctor's waiting-room.
3. Do you allow me here? -No, I’m afraid you can't
park your car here.
4. KEEP QUIET You are not allowed _ in a reading-room
or a library.
5. Don't you see the sign at the beach? _ is not
permitted. It's dangerous.
6. The sign means " "