一Phrases：
1.babysit her sister =look after =take care of 照顾她的妹妹
2.spend time with friend 和朋友度过时光
3.go camping/ hiking /sightseeing/ fishing/shopping 去宿营/徒步旅行/观光/钓鱼/逛
4.go bike riding 骑车观光
5.go away for too long 离开很久
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