1 . For 30 minutes, I sang softly to the small creature until finally delivering (递送) him ________ those who could help. (用适当的词填空)

3 . Styrofoam is plastic ________ a bad reputation. (用适当的词填空)

4 . High-rises decorate the city’s skyline, creating a distinct contrast ________ the ancient neighborhoods, temples, and buildings that were occupied previously by people. (用适当的词填空)

5 . The Chinese calculator’s name is “suanpan”, but it is known ________ “abacus” in English. (用适当的词填空)

6 . He’s doing better than I am. He fixed our air-conditioning ________ free. (用适当的词填空)

7 . The main elements behind the unpleasant situation appear to be illegal hunting, land degradation (恶化) and lack________habitat. (用适当的词填空)

8 . She applied the classic patterns________her own modern designs in a creative way after conducting research into the variety of patterns found on the murals (壁画). (用适当的词填空)

9 . China Chic, or guochao, features fancy designs mixed________ elements from traditional culture. (用适当的词填空)