Only when our country has aircraft carriers (航空母舰), _____________ our distant islands more effectively.
| A．we can guard | B．can we guard | C．we guard | D．do we guard |
As angry crowds got into the streets fighting for their basic rights, the local government________the police to keep order.
| A．called in | B．brought about | C．picked out | D．paid back |
When you________, use a handkerchief to cover your nose and mouth. This is particularly necessary in public places.
| A．speak | B．whisper | C．sneeze | D．breathe |
Pictures on TV show the quake-hit capital________to ruins and helpless survivors waiting eagerly for relief.
| A．decreased | B．destroyed | C．returned | D．reduced |
Having worked as a doctor for so many years, Mr. White has________rich experience in battling with various diseases.
| A．accumulated | B．reserved | C．increased | D．developed |
A trip to the forest park is a wonderful________of my happy childhood, when I had no end of fun with my playmates.
| A．adventure | B．celebration | C．reminder | D．attraction |