单词拼写。
1. He works in China ________(福利) Institute .
2.The police ________ (观察) the man entering the bank last night .
3. ________ (不幸地),I missed the last bus.
4. Let the water__________(流通),or it will go bad.
5. She has the ________ (自由) to do so.
6. This road is about 1,000 meters in _________(长度).
7. The dumb have to communicate by ________(手势) .
8. Hard work leads to success and ________(失败)lies in laziness.
9. I _____ (克服)my dislike for maths now.
10. She was ashamed of her _____ (行为) .
