3、all,both （1）___ of my parents work in the hospital （2）there are many boys underthe big tree.____ of them are playing games（3）his legs were___ injured(受伤) in the traffic accident(交通事故)
问题描述：
3、all,both （1）___ of my parents work in the hospital （2）there are many boys under
the big tree.____ of them are playing games
（3）his legs were___ injured(受伤) in the traffic accident(交通事故)
答
1. Both
2. All
3. both
两个都用 both
三个或三个以上用 all
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不明白的再问哟,请及时采纳,多谢!