They were waiting ___.A.on the doctor's B.at the doctor's C.in the doctor D.at the doctor

They were playing chess happily.（改为感叹句）__ __ __ __ __ __! Mr.Hopkins didn't know___.A.whom they were waiting B.whom they were waiting for并说明 they arrived just before the football match began.=they were __ __ __ __ the football match .__填一词 Did you konw__at the bus stop?选项A.who are they waiting for B.whom they are waiting for C.whom they were waiting for they didn't think they were better than the other singers=-----------------------than __ __ ___ They all went there和 They were all waiting outside the gate第二句中were可以去掉吗?为什么? 提问：同义句转换:They were alone at home last Sunday.They were at home all __ __. They were waiting for a train that was very late.帮我吧这个句子翻译, 划线部分提问:They were waiting for -a bas-.a bas 是划线部分 英语填空：They were waiting for a train ___(arrive) there. were for she still waiting her heard they.连词成句, They were very tired.they stoped__(work)__(have)a rest. 求解：When they were waiting in the room, a voice _________ (boom).还有一道：They were discussing the problem. Suddenly, a voice __________ (boom) out. As ( ),they were waiting for us at the airport.A.plan B.plannedAs ( ),they were waiting for us at the airport.A.plan B.plannedC.planning D.being planned请问为什么选B As____ ,they were waiting for us at the airport .为什么选 plannedAs ( ),they were waiting for us at the airport.A.plan B.plannedC.planning D.being planned为什么选B啊 As____ ,they were waiting for us at the airport .为什么选 plannedAs ( ),they were waiting for us at the airport.A.plan B.plannedC.planning D.being planned为什么选B啊 英语单句改错At entering the room ,I found they were waiting for me这句话错在哪里, The dumplings are very delicious.__ __ the dumpling are! I had no time dor lunch.I __ have__ time __ __ lunch.I didn't find my bag.My bag __ __.They sang in the park.They were happy.They __ __ __ in the park.