The noise made sleep （possible） ， so I got up and read a book．
There are about 6，000 languages that are spoken around the world， but 43% of them are dying out． If no is taken， some of these languages will disappear． （act）
Have you ever cut your finger on the edge （边缘）of a book page？ The small cut on your finger is so （pain）．
Scientists around the world are working to a medicine for AIDS（艾滋病）． （ cover）
Our team lost the game because we played very ． （bad）
He is a （love） boy， very gentle and caring．
Could you please speak more （slow）？ I can't follow you．
As we know， Huawei technology has been developing （rapid）．
After the earthquake， plenty of food and clothes were provided for the （home）people．
Greenhouse gases are to the environment． （harm）
Thomas Edison， one of the greatest （invent） in the world， created over 1，000 things．
If you don't know the name of the plant， please write" " （know） in your notebook．
The letter "x" often represents a（n） （known） number in some Math exercises．
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