根据汉语提示，将英语句子补充完整。

1.Would you like to go camping with us_______________? (在你的下个休息日)

2.Did they have much fun _______________ (开车兜风)yesterday evening ?

3.Tony went on a trip to Hong Kong with his father_______________(在去年年底).

4.Mary spent the whole morning cleaning her room.She was _______________(累但是高兴).

5.Don't you think it wonderful to _______________(雨中散步)?

我国的统计单位按其作用和性质的不同可分为（）

A.法人单位

B.产业活动单位

C.个体经营户

D.企业单位

E.事业单位