it kept the americas from being discovered.from后面应该是动名词,?只有be加了ing,而discover不加ing

it kept the americas from being discovered.from后面应该是动名词,?只有be加了ing,而discover不加ing For centuries it kept the Americas from being discovered by the people of Europe.请问在文中by是什么意思,be discovered by是固定短语吗? 还是by在这里单独表示意思? It first appeared in the Americas.中America为什么加s? The ( ) it is kept,the sweeter it will be although it stopped raining ,the ground still kept wet 为什么kept 改为remained I kept it all the time to remind me of He kept the portrait where he could see it every it was the tree that kept him---(live) 请问Americas和the U.S.的区别 超难度英语选择题None of lus knew about the plan because it ______ a secret.A.kept B.keeps C.is kept D.was kept it is kept in the room by us 和 it was kept in the room by us 和it is being kept in the room by us具体意思有什么区别啊 It is desirable that the automation equipment_running as much of the time as possible.A.would be kept B.must be kept C.will be kept D.should be kept kept the gate是什么意思 It is suggested that medicine should be kept b___ the reach of the children 2.It so happened that they________ the novel before.A.had read B.would read C.were reading D.read3.She________ for nearly two hours.A.kept talking B.kept to talk C.has kept talking D.kept to talking 翻译“the longer it is kept ,the sweeter it will be ,it is also like a cup of tea . She kept it tied to a tree in a field during the day and went to fetch it every evening怎么两个动词kept,tied What country has the most oil in the world and the Americas?