初中英语复习中的疑问,请您帮助,感谢啦

初中英语复习中的疑问,请您帮助,感谢啦
考试复习中,有疑问的题目,请您给予具体解析,重要的是知道理由,感谢
1. I can see come birds ______the tree and a small animal _____the hollow of the tree
Ain...inBon.inCon...onDin.on
2.People must walk ______and use _____oil to drive their cars
A more.fewerBless.moreC less...less Dmore.less
3.Firemen use fire extinguishers
A to puttingout B forputtingout Cputout D puttingout
4.A whale is one of the______
Amost large animalB most largestanimals
C larges animal Dlargestanimal s
5.An hour later ,the wind became
A more strongerB more fiercely C much gentle D more strong


词语的适当形式填空：
1. Afireman uses breathing equipment in _____places(smoke)
2. Do you know Tom’s _________(weigh)
3. The red ______skirt is my favorite clothes(wool)
4. Itis __________for us to live on the moon now (possible)