Complete the sentences with the given words in their proper forms (用括号中所给单词的适当形式完成下列句子,每空格限填一词)
1.Water is very________to crops. (importance)
2.There is some ancient________in the museum. (furniture)
3.________, I finally missed the bus. (lucky)
4.On the________floor,there are two extinguishers. (eight)
5.Don't drop a________cigarette on the carpet. (burn)
6.Yesterday we went to the shop to buy some________chairs. (wood)
7.My mother prefers________clothes to silk ones. (wool)
8.Let's do something to stop________our environment. (pollute)
9.Winter is coming. I need to buy a new pair of________. (glove).
10.Nothing is more important than________protection.(environment)
11.There is much________in my flat. (furniture)