what are they doing today 可不可以换成what do they doing today

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• 改写句子:(1)What was Linda doing?(2)Why couldn't Linda see Davy?(3)Where was Davy?(4)What happen改写句子，都要改成The teacher said的宾语从句(1)What was Linda doing?(2)Why couldn't Linda see Davy?(3)Where was Davy?(4)What happened?(5)What was Davy doing?例句：Do you ever watch soap operas？The teacher asked if i watched soap operas。
• 改写句子:(1)What was Linda doing?(2)Why couldn't Linda see Davy?(3)Where was Davy?(4)What happen把这些句子改为宾语从句,开头是 The teacher said:(1)What was Linda doing?(2)Why couldn't Linda see Davy?(3)Where was Davy?(4)What happened?（5）What was Davy doing?例句：Do you ever watch soap operas?The teacher asked if I watched soap operas.
• What___ you doing for vacation? I am going to Beijing. A do B did C are D were
• no player could do better given what the others were doing中文意思在game theory 里的
• 1、Tony was ill yesterday,so he_____his homework.A.didn't B.no did C.didn't do D.didn't did2、I can hear someone_____ the piano in the next room.A.play B.playing C.to play D.are playing3、The students talked and laughed,but when the teacher came into the classroom,they______their lessons.A.stopped to do B.stopped doing C.stopped D.stop to do4、He is______unusual basketball player.A.a B.an C./ D.of5、--What rule did you______ yesterday?--I_____ late for cla
• ＿＿＿＿＿be sent to work there?A.Who do you suggestB.Who do you suggest that shouldC.Do you suggest who shouldD.Do you suggest whom shouldIt is hard for me to imagine what I would be doing today if I _____in love ,at the age of seven ,with the Melinda Cox Library in my hometown.A.wouldn't have fallenB.had not fallenC.should fallD.were to fallWe______last night,but we went to the concert instead.A.would studyB.must have studiedC.might studyD.ought to have
• 用所给的适当形式填空.1.Jim often feels _____after doing the_____things（tired）2.Mother only wants her to do_____for the family ,but she does______because she says shehas lots of homework to do every day.(anything）3.The_____teacher always_________what his sutends do（understand）
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• 请你们帮我改我写的英语文章Do you think having a hobby is good for people's life?In what way?-Of course good,because i think hobby is not work,some rest kind ofWhen i imagine about a work that give me feel enjoying and hard but hobby just give me enjoying.Are there any negative effects of a person spending too much time on their hobby?What are they?- If you have much money i could say just whateverbut usually doing a work is important than playing a hobby.If you sp
• 化简并求值[﹙x-2y﹚²-x﹙x+4y﹚＋3xy]÷﹙-2y﹚,其中x=-3分之2,y=3分之2.
• 英语翻译