【推荐1】They are all in _______ (寂静),when they heard the bad news.

【推荐2】She finish the hard work in ________ /'saɪləns/.

【推荐3】We read in the library ________ silence.

【推荐1】There are lots of fish in the ________ (水池).

【推荐2】请根据括号中的中文提示、英文释义或句意，写出句中所缺单词，使句子通顺。
1. Being tall gives him an ________(优势) over the other basketball players.
2. Nantong has a _______(人口) of about seven million.
3. He needs a dog as a guide because of his _______(the condition of being unable to see) .
4. They can’t ___(have enough money to pay for something）to go on vacation this year.
5. Tom speaks English well. But he wants to learn a second _______.

【推荐3】You'd better not talk to _________ (strange) when you walk alone.