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Many students ___ preparing for the midterm examination.A.are engaging in B.are engaged in C.are engaging themselves D.are engagingA错在哪里? We have decided whether we will go to Beijing. We have decided whether we will go to Beijing. We are preparing for the exam(改为同义句） we are preparing for the exam.(改写成同义句） Kathy______ spend time preparing for the exam.AKathy______ spend time preparing for the exam.A.doesn't need to.B.needn't toC.doesn't need.D.needs 在天文馆中（ ）能证明地球在不停的自转 mary sends him a computer game as a birthday present.(改为同义句） 求问一下图中两个人是谁 以the rules for me为题写一篇英语作文 My mother is cleaning the house 对cleaning the house 提问 He _____(drive) a taxi My mother is a _____(teach) my mother is (cleaning the house).对括号部分提问 生物类怎么排列什么目,纲,他们的顺序是什么 生物的的的.排列苔藓植物.藻类植物.裸子植物.蕨类植物.从低等到高等排列 给下列几件生物科学史上的大事排序沃森和克里克提出DNA双螺旋结构模型英国罗伯特·虎克发现细胞达尔文编著《物种起源》一书德国科学家施来登和施旺创立细胞学说孟德尔遗传定律被重 我能正确排列下列生物的因果关系.鹿 疾病 森林 猎人 狼 死亡→ → → → → 根据句式特点,仿写一个类似的句子,使之整体上构成排比句 杏花开了,就好像大自然在传语要赶快耕地；桃花开了,又好像在暗示要赶快种谷子 生物题的排序（1）生命单体（2）原始水生物（3）生物大分子（4）简单有机物（5）地球生物圈 排序,并说明理由,谢啦. 草（ ）花（ ）,括号中可填什么? 在括号填上合适的词 山() 草() 花() 呼吸() 沐浴() 欣赏() 草（ ）花（ ） 括号里填成语 草（）花（）.忍（）不桂.括号里怎么填 preparing for my trip 作文50字 preparing for=? It's never too late to be all you can possibly be怎么译 鹬蚌相争渔翁得利、~~& can never be too+adj有这个吗can never be too+adj是不是 再...样也不过分?19.-I was riding along the street and all of a sudden,a car knocked me down.-You can never be ___ careful in the street.A.much B.very C.so D.too 为什么选D不选A? can never be too+adj 题是这样写的:-Must I turn off the gas after cooking?-Of course.You can never be _careful with that.A.enough B.tooC.soD.veryYou can never be too careful with that. 英语翻译 露组词（LOU） 为什么彩虹是弯的?如题