the boys have worked out problems ,but(none )of the answer is correct.有固定搭配和语法解

the boys have worked out problems ,but(none )of the answer is correct.有固定搭配和语法解 The boys have 什么face The boys didn;t leave the classroom until they worked the maths problems.(句意不变）The boys ______the classroom _____they worked the maths problems. 下面几句英文有错误吗?The boys have cat.Boys have cat.The boys have a cat Of the three boys, Tom worked ____A. harder B. more hard C. hardest D. most hard you are great .you have worked out the problem__(success) 翻译:we have worked out the production plan. 翻译课文!The reported health warnings have worked. 填空Look ------- the two boys.They have the same-------. The boys are talking about when_(have) the class party The boys have a football? 对the boys t提问 为什么用who has ? The boys have some gameboys.一般疑问句是Do the boys have gameboys?还是have the boys any gameboys?快啊,明天就期中考了~ By the time he graduates,i__in the accounting company for 5 yearsA had worked B will have worked Cwork D have worked选什么为什么 By the time he graduates,i__in the accounting company for 5 yearsA had worked B will have worked Cwork D have worked选什么为什么 How long you worked in this library?I to work here the other day.A have/have come B.did/came C.have/came D.did/have我感觉应该选择A,但是答案给的是C,Boys and girls,you should finish your homework first.And will be left till tomorrow.A.me Three and four___seven.Two-thirds of the class_____.A.is;have worked it out B.is;have worked them out _____ hard before, Tom is afraid of failing in the exam. A. Having been worked B. Not to have worked C. Having never worked D. Never have worked为什么选C而不可以用Never having worked The boys have different____.A.names B.nameC.father