They has not sent docs to us,will puse them again,and send to you once have.请问这句话有没语法错误?那个puse用的对吗?还有once have

英语的一个选择题I don not think it advisable that Tom _ to do the job since he is so young.A.is sent B.will be sent C.be sent D.has been sent 把它翻译和选的原因. they do not enjoy还是they are not enjoying? Mail has been sent 选用have,has ,do,do not,does,does not回答 They has not sent docs to us,will puse them again,and send to you once have.请问这句话有没语法错误?那个puse用的对吗?还有once have They do not love that do not show their love Once employed,Simon____to Africa to do the market research.A.is sent B.has been sentC.was sent D.will be sent为什么不能选C? 英语翻译they do not have a apple they do not have milk _coke do,like,not,they,breakfast,eggs,for They do not like football () volleyball. They do not work from()to() They do not watch TV.变为疑问句 they do not tie up their dogs , they (not do )their homework on Sunday Answer the questions（根据短文内容回答下列问题）：This letter was sent to a newspaper in Germany.This letter was sent to a newspaper in Germany.13 OctoberDear EditorI am writing to ask what has happened to our youth.They are not as pol The United States ( ) up its satellite until January 31,1958.A.sent B.did not send C,has not sent D.was not sent选B,请帮我分析一下,谢谢! All they do is what they have to do,not what they like to do.