---Is your uncle Tom a soldier?
--- No, but he once _____ in the army for 4 years.
| A．served | B．is serving | C．has served | D．had served |
.They lived a small island the coast of Fujian for five years.
| A．on, on | B．in, off | C．at, on | D．on, off |
Zhai Zhigang is known the world a herohis walk in space.
| A．as, as, for | B．to, as, for | C．to, as, on | D．in, for, as |
.The Yangtze River is almost the Pearl River.
| A．twice longer than | B．longer twice than |
| C．twice length of | D．as twice long as |
.She returned home and found that all her furniture by the flood.
| A．had been ruined | B．had ruined | C．has been ruined | D．ruined |
.No one but her parents it.
| A．know | B．knows | C．is knowing | D．are knowing |