—How is your cousin, Kate?
—She broke her leg and ________ medical treatment since.
| A．is receiving | B．has received |
| C．received | D．has been receiving |
Johnny, you ______ play with the knife; you _____ hurt yourself.
| A．wont; cant | B．mustn’t; may |
| C．shouldn’t; must | D．cant; shouldn’t |
Since 1949, the peoples living standard _______, causing a big _______ in population.
| A．has been raised; rise | B．has been rose; raise |
| C．has raised; rise | D．has raised; rose |
______ has already been pointed out, grammar is not a set of dead rules.
| A．As | B．It | C．That | D．Which |
There is a mountain ________ the top is always covered with snow.
| A．of that | B．of which | C．whose | D．that |
---Why did the police _____ the crowd?
---Because the presidents car ____ in the street.
| A．break down, broke down | B．break up, broke up |
| C．break down, broke up | D．break up, broke down |