请说明原因The light in the room__before you leaveA must turn off B will turn off C are turned off D must be turned off

请说明原因The light in the room__before you leaveA must turn off B will turn off C are turned off D must be turned off in the light of in the light 用something , someone, nothing, nonesomebody填空 The light in the room is still on. There must be (用something , someone, nothing, nonesomebody填空The light in the room is still on. There must be ( ) in it.请说明理由 In the Light 歌词 in the light of in the same light light in the in light of the in the light of 请帮我翻译：in the light of . As the light turned green,l stood for a moment ,not____,and asked myself what l was goingto,选什么啊,请说明原因 he says Edison inwented the light bulb in the 19th century 改为主动句或被动句 __ birds can fly in the sky.填the 还是不填 谢谢 请说明原因 The weather gets warmer and warmer in ___spring.A.a B.the C./请说明原因 It is said that Lily has bought a DV recently,________ that is made in German.A the one B.a one C./ D one 请说明原因 请说明原因 请说明原因 请说明原因 3.The light in the room------before you leave.A.are turned B.must be turned off如果知道答案,请说明理由. 问几道英语选择（请详细说明选择原因）1.China is __the east of Asia and __the north of America. A on in B in on C in to D to on 2.The students always make mistakes__spelling. A in B at C on D with 3.Th 1.I ___ often go fishing when I lived in the countryside.A.should B.would C.could D.might2.In western countries,Dec 24th is Christmas Eve,___ people will get together to celebrate the day.A.on which B.which C.during which D.that请简要说明原因,