Please open the window, _____?
| A．can’t you | B．aren’t you | C．do you | D．will you |
After the five ,very little of the house _______standing .
| A．remained | B．kept | C．rested | D．left |
In face of failure for the moment ,it’s the most important to_____a good state of mind.
| A．keep on | B．keep at | C．keep up | D．keep out |
The first color TV set was considered by most people________this century.
| A．having been invented it | B．one of whom invented |
| C．who had invented it | D．to have been invented |
Every minute should_______to work for the motherland.
| A．make use of | B．be made of |
| C．be made use of | D．make of |
Some kinds of animals can _______ the colour of their surroundings.
| A．take on | B．dress up | C．put on | D．get into |