The residents were asked to leave because （） A: the firefighters were unfair B: the fire was moving fast making it dangerous C: the firefighters were overly careful D: it was easier for the firefighters

Firefighters try to _______________ the flame.

The fire was _____ by the firefighters, but the cause of the fire was still unknown.

One of the firefighters (消防队员) won a(n)_______ for bravery (勇敢).

Choose the best one to complete the sentence. 1. The fire was ______ by the firefighters, but the cause of the fire was still unknown.

More than 4000 of police officers and firefighters died in the collapse of the towers and were buried in 9/11.

More than （） firefighters came to fight the fire. A: 3,000 B: 300 C: 3,000,000 D: 30,000

Firefighters believed that an un-extinguished cigarette butt ____the forest fire. A: decided B: ignited C: deteriorated D: collided

Strong winds have ______ firefighters in their efforts to put out<br/>the vast forest fire. A: sketched B: demonstrated C: hindered D: smashed

Word came that 30 firefighters gave their lives to our country _______ national property security. A: A．in exchange for B: B．in response to C: C．in terms of D: D．in contrast with