19. James Williams is my favorite professor; his speech is always brief, clear and the point.
He can’t help __ housework, for he is busy __ for the examination.
________her mother had come, her face lit up.
The situation is more ________than ever. I'm ________about what to do next.
Linda can't attend the party________ at Tom's house at present because she is preparing a speech for the party ________ at Marie's house tomorrow.
We slept with the light________ all night long last night.