Lee was faced with the of whether or not to return to his country after he got the doctor's degree in America
Military helicopters dropped food and medicine to the earthquake survivors that remained ________ in remote mountain villages.
There is one tip from the book that I do follow, and I ________ you do, too. Cut down on watching TV.
—I think London is the best place for us. —I don't agree ________ your opinion, for the climate there doesn't agree ________ us.
Our English teacher often tells us that the meaning of a new word may be ________ according to the given context.
After walking on the zigzag path to the mountain top for a few hours, the tourists gathered under trees ________ shade and ________ down to have a rest.