下岗职工开办私营企业的，开业（）内减免工商管理等行政性收费。
A.1年
B.2年
C.3年
参考答案：A
When his parents were out on vacation, the house was left ______ Dick. [ ]
A. in charge of
B. in the charge of
C. taking charge of
D. taking the charge of
空心轮胎结构及每一部分作用？
