One reason why_____plane is such a popular means of_____transport is that it is very fast and safe.
| A．the; / | B．a; the | C．a;/ | D．the; the |
._____in a well—known university is what everybody wishes for.
| A．Educated | B．Being educated | C．To educate | D．Educating |
.______the photos of the coastal city, I have no desire to visit it,it’s crowded all year.
| A．To see | B．To have seen | C．Seeing | D．Having seen |
.._____your budget, keep a careful record of each dollars you spend every day.
| A．Follow | B．To follow | C．Following | D．Followed |
.A beach house caught fire last night, ______seven students living in it.
| A．to kill | B．killing | C．having killed | D．killed |
.When the American constitution ______into effect in ,it didn’t contain any words guaranteeing the basic rights of ordinary citizens.
A went B. had gone C. has gone D. was going