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6. 我覺得很舒服。

5. 這個故事很有趣。

4. 我們的教室既明亮又干凈。

3. 沒有什么比健康更重要。

2. 凡事先難后易。

6. Alice shouted into the cave calling for her brother,but the only sound she heard was the echo of her own voice bouncing off the stone walls.(   )

5. In order to discover who had a natural ability to learn language,the students were given tests to determine their language aptitude.(   )

4. Alexander Graham Bell was born in 1847 in Edinburgh,Scotland. His father was an expert in phonetics,the study of the sounds of language.(   )

3. But sometimes,no rain falls for a long,long time. Then there is a dry period,or drought.(   )