what we saw proved again that oil and water()mix答案是don't还是didn't 我认为是don't 因为是真理.但是我又被时态困扰.

几道英语单向选择,越详细越好.1.The extra room ______(to be) very useful when we had visitors.A.was proved B.has been proved C.has proved D.proved2.When I saw a lot of people gathering over there,I went over to see ______.A.what was the ma what we saw proved again that oil and water()mix答案是don't还是didn't 我认为是don't 因为是真理.但是我又被时态困扰. we saw a green_______and a beautiful clean______________. Then we whet and saw a helicopter! The proposal of then proved _____more valuable than we expected.A.farB.even much. What he told you yesterday_____true.A.was proved to be B.provedC.was proved D.proved being答案应该选A,为什么?请说明原因,正确答案应该是B，我选的是A，说明下A为什么不能选， ____time going on, what he said proved true.A. As B. With C. For D. Through What we saw is different from_________是what we have heard 还是what we heard 简述理由 谢 We saw him reading a newspaper when we got there. what he said at the meeting yestoday()true A.proves b .is proved c.proced d.was proved 选什么为什么这么选 The film__tonight__Jackie.A.which we saw;starring B.which we saw;stars (说一下原因, i saw a saw saw a saw. What do you think of ____ film we saw last night?Woulderful!A.a B.an C.the C.the D./ we saw a movie crew filming a movie we saw a green forest and a beautiful clean lake. After months of voyage,Columbus arrived in___later proved a new continent.A.where B.which C.what D.that when we saw his pale face ,i ( ) what ( )A.realized,had happenedB.was realizing,was happeningC.realized,has happenedDwas realizing,had happened Seldom have we seen such a promising actress as she has proved herself to be 翻译句子