—What does the sign over there say? —In the museum no person be permitted to take photos.
In the past, ice used to ______ used to ______ the air in a room.
The old man’s _______ pity on the snake led to his own death.
________ many times, but he still could not understand it.
Faced with a bill for $ 10,000,_________.
-----My room gets very cold at night. -----_________________.