If it rains tomorrow. the sports meet will be ________until further notice.      (      )

After working until midnight for two weeks, he finally ______ and had to stay in the hospital.

I often have a hard time _______myself from my bed or even rolling over to write everything have dreamt in my notebook.

The young man, who had rushed into the fire to save the old man, _____ rewarding.

The silence of the library _____ only by the sound of pages being turned over.