When did Mr.Black take you to Beijing __________ A:As a young man B.I was 20 C.at the age 20D.In my twenties 下面的是d选项,选什么,为什么?答案给的是D,但是我们觉的C也是可以的啊

What did Mr .Black find when he was walking home?的意思 Do you know _______?A.who will visit Mr Black B.how soon will Mr Black come backDo you know _______?A.who will visit Mr Black B.how soon will Mr Black come backC.when was Mr Black from D.where did Mr Black find his key Do you know _______? A.who will visit Mr Black B.how soon will Mr Black come backDo you know _______?A.who will visit Mr Black B.how soon will Mr Black come backC.when was Mr Black from D.where did Mr Black find his key How did Mr.Black return to Why did you go the teacher's office?Mr.Black asked me ____ I was good at playing the piano.A,that B,if C,what D.when When does Mr Green meet Mrs Black?的中文 When did Mr Black take you to Beijing?A. As a young man B. At the age of 20 C. In mytwenties D. I was 20 从语法上讲ABD为什么错 Did you see Mr.Black just now?Yes.He( ) his car when I met him.A parked B was parking C parks D will park.因为有just now 所以选B What time will Mr Black be back to ChinaWhat time will Mr Black be back to China 一 Sorry .I don't know ＿ .A.when did he go abroad B.how long he will styay abroad.C.how soon will he be back. mr black liked fishverymuch Mr Black is not my____teacher is mr.black. When will Mr.Black come to Beijing?_September 5.September 5前用什么介词? When will Mr Black arrive __ Shanghai?() A in B to C at D for “How does Mr Black feel when he cannot find his fish? What ( )did Mr Black give you He told me not to go to bed late.括号里应填什么? Mr Black is a teacher. Mr.Black一家人的英文,