2道单选题The missing boy was last seen ___ near the river.A.playing B.to be playing C.play D.to play 为什么不选B?He was often heard___ the International.A.sing B.to sing C.sang D.to be singing 为什么?能不能添singsing?这两道题感
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![2道单选题The missing boy was last seen ___ near the river.A.playing B.to be playing C.play D.to play 为什么不选B?He was often heard___ the International.A.sing B.to sing C.sang D.to be singing 为什么?能不能添singsing?这两道题感](/uploads/image/z/14995949-5-9.jpg?t=2%E9%81%93%E5%8D%95%E9%80%89%E9%A2%98The+missing+boy+was+last+seen+___+near+the+river.A.playing+B.to+be+playing+C.play+D.to+play+%E4%B8%BA%E4%BB%80%E4%B9%88%E4%B8%8D%E9%80%89B%3FHe+was+often+heard___+the+International.A.sing+B.to+sing+C.sang+D.to+be+singing+%E4%B8%BA%E4%BB%80%E4%B9%88%3F%E8%83%BD%E4%B8%8D%E8%83%BD%E6%B7%BBsingsing%3F%E8%BF%99%E4%B8%A4%E9%81%93%E9%A2%98%E6%84%9F)
2道单选题The missing boy was last seen ___ near the river.A.playing B.to be playing C.play D.to play 为什么不选B?He was often heard___ the International.A.sing B.to sing C.sang D.to be singing 为什么?能不能添singsing?这两道题感
2道单选题
The missing boy was last seen ___ near the river.A.playing B.to be playing C.play D.to play 为什么不选B?
He was often heard___ the International.A.sing B.to sing C.sang
D.to be singing 为什么?能不能添singsing?
这两道题感觉差不多啊.
2道单选题The missing boy was last seen ___ near the river.A.playing B.to be playing C.play D.to play 为什么不选B?He was often heard___ the International.A.sing B.to sing C.sang D.to be singing 为什么?能不能添singsing?这两道题感
1.see somebody do/doing 看到某人在做某事,用playing表示最后被人看到时,正在河边玩,选A
2.hear somebody do/doing听到某人做某事,
可以用singing,或是to be singing,选D
他经常被人听到在唱国际...(ing形式表示习惯性的行为)