It was ________ for human beings to predict weather in the past.(difficulty)

It was when Asimov was eleven years old ________ his talent ________ writing became obvious.A.when; for B.that; on C.that; for D./; on It was ________ for human beings to predict weather in the past.(difficulty) Too expensive for me,I'm ________.I remembered it was just 198 yuan when I came here last time. 感叹句 ________bad weather!________bad weather!________ sunny day!Let's go out for a walk.________ dirty the room is?________ hard work it is!________ day it is!It's rainy again.________ a clever boy!________ great day July 1,1997 was!________ exp It was secretly crying for Mr Bush is on time for everything.How ________ it be that he was late for the opening ceremony?谢A.can B.should C.may D.must 29.The telephone ________ four times in the last hour,and each time it ________ for my roommate.29.The telephone ________ four times in the last hour，and each time it ________ for my roommate.A.has rung; was B.has been ringing; isC.had rung; was D. it was a pleasure和with pleasure的区别-What a nice meal!Thank you for inviting us-________.A.It doesn't matter B.It was a pleasure C.Not nice enough D.With pleasure十分感激! 1.Jack has gone to school.（用by the time改写）Jack _______ ________ to school by the time I called him.2.The story was very interesting.I could never forget it.The story was ________ _________ ________ I could never forget it.3.I was late for s It was in China ________ Dr.Bethune gave his life to the cause of the revolution.A.that B.for where C.in which D.at which The math problem was so difficult that I couldn't work it out. (保持句意不变) The math problem was______ difficult for me ________ _________. It was a nice house ,but __too small for a famili of fiveIt was a nice house,but ________ too small for a family of five.[ ] A.rarely B.fairly C.rather D.pretty 求解释和原因 同义转换1、The problem was very diffult.Nobody could answer it.The problem was _____ difficult ______ ______ ________ work it out.The problem was _____ difficult ____ ___ ___ work out.The problem was ____ ___ ____ for __ to work out.It was ___ _ It was great disaster for Australia farmers. It was empty except for us. For even though it was是什么意思 For even though it was是什么意思 it was good for the landlord