23. After working until midnight for two weeks, he finally_________and had to stay in the hospital.
It is suggested that a hard line ____ towards terrorists.
Good friends as we are, I still find her difficult to understand ________.
We are onlyglad to do anything we canher.
What he did ______ what he said moved us.
Lucy was completely ______ after jogging in the hot sun all afternoon; she had little energy left.