The boy was seen ______(play)basketball.Is it filled with "playing"or"to play" in the blanks?

The boy was seen ___(hand in)his toy this morning. the young man was seen to ___(run)just now The boy was loet .(改为同义句） The boy ___ ___.The boy ___ his ____. Yesterday afternoon,he was seen ____ the classroom windowHe was seen ___ the classroom window yesterday afternoon(breaking/break) The boy was last seen being playing by the riverside with other boys 改错 The boy was seen ______on the sports ground.play / to play /playing He is _______ than any other boy in the class选择一项：a.least taller b.more taller c.much taller d.less taller The last time I ___ Julia she ___ apples in the woods.选择一项：a.had seen,picked b.saw,was picking c.had seen,was picking d.saw School was over.The boy went home at once.The boy went home ____ ___ ___ school was over. The boy was seen to run by me yesterday为什么加to 英语翻译the boy was walking the street when the UFO landed(对was walking the street 提问）___ ___ the boy ___ when the UFO landed The boy started playing the piano when he was four years old.(同义句）The boy started playing the piano ___ ___ ___ ___ ___ . The missing boy was last seen ___ near the river.A.playing　 B.to be playing　　C.play　　D.to play为什么选A?see的被动语态不用还原to吗?为什么不用B, The movie was definitely worth ___.A.to be seen B.to see C.being seen D. The boy told his father what he ___ in the streetA saw B have seen C had seen D see这类型的题该怎么做 The boy was seen ___on the playground.A.play B.to play C.played D.to playing. The boy was seen ______(play)basketball.Is it filled with playingorto play in the blanks? the missing boy was last seen ___near the housea playingb to play为什么不能选B而选A By the time I got outside,the school bus ___(leave).Tim was seen ___(get) out of theTim was seen ___(get) out of the subway at the station on Centre Street.