The doctor did __________ he can __________ the boy.
People will be encouraged to eat healthy food, ________ and to drink less beer and wine.
Sally worked late in the evening to finish her report ____ her boss could read it first thing next morning.
The tiger, once a animal to humans, is now of disappearing on the earth.
On holidays, they prefer to _____ at home rather than _____.
—Hey! What's the rush?—The plane ________ at 4∶00 and I need to see my uncle off.