When the old man ______ to walk back to his house, the sun itself behind the
mountain.
| A．started; had already hidden | B．had started ;had already hidden |
| C．had started; was hiding | D．was starting; hid |
281. Many hands make light work.__________ is strength.
| A．Union | B．Nation | C．Uniform | D．Unifying |
280. Take on a(n)__________ with you. It looks like raining.
| A．underwear | B．overcoat | C．water-proof jacket | D．Umbrella |
279. The Palace Museum has many art treasures. In this sentence, "treasure" means ____.
| A．precious things | B．money | C．cheap things | D．unimportant things |
278. The road constant improvements can’t keep pace with the increasing ____ .
| A．trucks | B．private cars | C．buses | D．Traffic |
277. If you want to get there quickly, you'd better take the track in the forest. The underlined word means ____.
| A．a path | B．a car | C．channel | D．a canal |