it was uncertain whether he would come中whether引导从句做表语,表语不是在系动词后吗,那为什么可以说i am not sure if he will come,求详解

It was in the factory_____my father worked.答案是whe... It was uncertain whether he would come.中的whether是什么语?表语还是主语?急. What it wasto become was uncertain until betweeen 405and 3.8 billion years ago when the dust settle What it wasto become was uncertain until betweeen 405and 3.8 billion years ago when the dust settle 英语翻译While admitting that this forecast was somewhat uncertain,the scientists warned against treating it as a cry of wolf. What it was to become was uncertain until between 4.5 and 3.8 billion years when the dust settledinto a solid globe.when引导的这个从句是什么句子? While admitting that this forecast was ________ uncertain,we could have none of it.A.anyhow B.somewhat C.somewhere D.anyway What it was to become was uncertain until between 4.5 and 3.8 billion years ago when the dust settled into a soild globe 还有 What it was to become是什么从句,在句子中,做什么成分 What it was so become was uncertain until between 4.5 and 3.8 billion years ago when the dustsettled into a solid globe.请问when在这里引导的是什么从句?为什么? British North America 要用英语回答!why it was uncertain around 1860 that the British North America colonies could agree about their future?不是翻译 要用英语回答 有加分如果很好 英语翻译Lynch wrote that it was impossible to know what the needs of non-human species are,and Jacobs’ observations of social complexity left some design readers uncertain of whether self-organizing human activities can change or be altered in it was uncertain whether he would come中whether引导从句做表语,表语不是在系动词后吗,那为什么可以说i am not sure if he will come,求详解 时间状语从句与强调句的区别—______ that she met her friend,whom she hadn’t seen for ten years?—It was at about 12 noon ______ she wandered aimlessly around the streets..A.How was it; when B.Why was it; thatC.Where was it; that D.Whe 英语翻译2.Exactly when the potato was introduced into Europe is uncertain He asked me ________ with me.A.what is the trouble B.what wrong was C.what was the matter D.wHe asked me ________ with me.A.what is the trouble B.what wrong was C.what was the matter D.what trouble it is为什么是C?答案是C别和我说别的答 【4】.The little boy_______by his brother this morning.A.was made to cry B.was made cry C.made to cry D.made try 选哪个?为何不选其他项?【5】.It was because of the heavy traffic_______I was late for the meeting.A.where B.that C.who D.whe it's uncertain whether the medicine will work on this cold的反义疑问句是什么? it's uncertain ______ the experiment is worth doing为什么不能用that