It is said that the weather will ______ hot for another three or four days.
The mayor ordered that the food and tents ________ sent to the people in the earthquake as soon as possible.
More than two hundred years ago the United States _______ from the British Empire and became an independent country.
. ---Professor Wang is said ______ in New York. ---No wonder he knows a lot about America.
The games _______ the young men competed were difficult.
The young nurse was very nervous when she ______ the doctor in operating on the patient.