American artist Jeremy Telford made a room with balloons． He got the____    from Bag End in Lord the Rings, which is a hole in the ground where a Hobbit（霍比特人）lives in the film．

In Shanghai, people______ thousand tons of watermelon every summer.

I lost my ______ and fell off the bike.

In dealing with public relations，we should make every effort to prevent the_______in personality.

 The ______ in the mountain village struck most of the visitors.