His parents found _____A.it necessary B.that necessary C.it is necessary D.necessary我很奇怪,为什么答案是A?C咋地就不可以拉?it...和it is.有什么区别?后面的是to tell him everything that had happend

His parents are quite __(worry). His parents __ at home.They __ at school. He lives with his parents.(改为同义句） He __ __ with his parents. Both of his parents are busy with their work.(同义句)__ __ __ __busy __. ()(luck),the little boy found his parents at all.kuai! His parents found a （ ） to teach their son.(music) make with his parents __(watch)tv in the evening The meeting stopped a few minutes ago.=the meeting has __ ___ for a few minutesI heard that his parents were learning English.=I heard ___ ____ his parents ___EnglishHe found the room was clean=he found the room ___ 翻译 我发现很难使他发音正确 I found it hard to __ his pronunciation __. Duokai is __ curious about everything he saw __ he keeps asking his parents a lot Tom prefers to telephone his parents rather than write to themTom prefers __ his parents ___ writing to them . 人教版八下 His parents bought him lots of g____on his fourteenth birthday我几经会了^__ ^ He has received a letter from his parents.He has __ __ his parents.You can hear theHe has received a letter from his parents.He has __ __ his parents.you can't go there but Mary can.__ you __ Mary can go there. Peter______ any money from his parents because he has found a good job and c His parents __ __ __ and he __ __ look after them.他的父母一直生病,他不得不照看他们 The boy’s parents were very __ ___(thank) to the policeman because of his help. He graduated from college __ his parents divorcedA which B before C while D that 修改病句 1At last,the little boy found his parents under the help of the policeman