1 . I share a lot of my problems ________ him. (用适当的词填空)

2 . I worked for half a year ________ a secretary. (用适当的词填空)

3 . 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)

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

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

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

8 . It is popular________women and men. (用适当的词填空)

10 . While some communites are pessimistic ________ the exchange between languages, there are also other communities that readily welcome borrowed words. (用适当的词填空)