_____ is our belief that improvements in health care will lead to a stronger and more prosperous economy.
| A．As | B．That | C．This | D．It |
The mayor ordered that the food and tents ________ sent to the people in the earthquake as soon as possible.
| A．were | B．be | C．would be | D．had been |
More than two hundred years ago the United States _______ from the British Empire and became an independent country.
| A．broke down | B．broke out | C．broke away | D．broke off |
. ---Professor Wang is said ______ in New York.
---No wonder he knows a lot about America.
| A．to study | B．to have studied | C．to be studying | D．that he is studying |
The games _______ the young men competed were difficult.
| A．in which | B．which | C．that | D．in that |
The young nurse was very nervous when she ______ the doctor in operating on the patient.
| A．insisted | B．resisted | C．assisted | D．listed |