Experts say walking is one of the best ways for a person to _____ healthy.
| A．preserve | B．stay | C．maintain | D．reserve |
One of the tourists ______ from the tour group. That was why the tour guide lost his temper.
| A．kept away | B．broke away |
| C．took away | D．gave away |
After all that hard work, you really____a three-day holiday.
| A．replace | B．deserve |
| C．respect | D．admire |
Whether by accident or____, he arrived too late to help us.
| A．purpose | B．aim |
| C．design | D．chance |
The police offered a large___for any information leading to the robber’s arrest.
| A．award | B．reward | C．money | D．prize |
The earthquake was so terrible that in only 15 seconds a large city lay____.
| A．in tears | B．in terror |
| C．in ruins | D．in anger |