20世纪60年代以后，台湾利用自身的一些优势条件，重点发展出口加工工业，形成了“____________”型的经济。
进口—加工—出口
用括号中所给单词的正确形式填空。
1. For children, ______ (clean) their bedrooms themselves is a good habit.
2. Thanks for ______ (invite) me to your home for dinner.
3. Maria, could I use your MP4 ______ (play)?
4. Could you please clean the ______ (live) room?
5. The girl is old enough ______ (make) her bed.
敷设在土中的电缆线路，每（）至少巡查一次。
A.一个月
B.二个月
C.三个月
D.六个月
