Storms most commonly occur_______a warm air mass and a cold air mass touch each other.
| A．in case | B．where | C．in which | D．unless |
Though the girlto learn Japanese, she couldn’t catch up with her classmates.
| A．made effort | B．made an effort |
| C．took every effort | D．gave her efforts |
The accident that resulted ________the death of two passengers resulted ________careless driving.
| A．in；on | B．in；from |
| C．on；in | D．from；in |
—Can you hit that bird with your gun, Tom?
—No！It is out of the ________of my gun.
| A．length | B．aim | C．distance | D．range |
The water level of the river has increased _________ half a meter since it began to rain 7 days ago.
| A．on | B．for | C．in | D．by |
She made it quite clear that she was no longer going to ______my selfishness.
| A．put up with | B．depend on |
| C．care about | D．catch up with |