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 问2道英语单选题 单选题10道, 第1题 单选题 With tears on her face,the old lady watched the little boy _____ to a hospital.1.send 2.to do sent 3.being sent 4.sending 第2题 单选题 Return the book immediately to the library as soon as you ____ with it.1.finish 2.are finish The old man found the missing boy ——偶然 The missing boy was l___ by police in the woods. 三道英语单选题. 英语单选题.十道 几道英语单选题, 初中英语单选题300道! 英语单选题 15道, 急,化学单选题2, 大学英语 单选题2 At this moment your job is______ (find)the missing boy. 一道英语单选题The famous actress came onto the stage with her boy friend ______her.A.accompanying with B.accompanied with C.accompanying D.accompanied 单选题? 单选题. 单选题