In the past ten years, the ________mountain climber _________ a lot from his own adventurous _______
| A．experienced; experienced; experience |
| B．experience; experienced; experiences |
| C．experienced; has experienced; experiences |
| D．experience; has experience; experience |
Helen always helps her mother even though going to school ________ most of her day.
| A．takes up | B．makes up |
| C．saves up | D．puts up |
There are many wonderful theme parks in America, ________ Disneyland in California is my favorite.
| A．for which | B．with which |
| C．of which | D．in which |
The telephone system has ______. How can I contact him?
| A．broken away | B．broken out |
| C．broken into | D．broken down |
The wheat fields are irrigated by water _____ from a pond through bamboo pipes.
| A．bring | B．brings |
| C．brought | D．bringing |
I can’t see my old grandmother ____ alone in the country, so I’ll have her ____ with me in the city.
| A．left; stay | B．leave; staying |
| C．leaving; to stay | D．left; stayed |