Professor Johnson is said ------some significant advance in his research in the past year. ( )A having made B making C to have made D to make 请说明详细原因,谢谢!

Professor Johnson is said _____ some significant advance in his research in the past yearA.having madeB.makingC.to have madeD.to make JOHNSON –Why is Professor Johnson unhappy these days?--Can’t you see it clearly?The reason is that what he insisted on ___ wrong.A.proving B.to prove C.proved D.being proved that is ok与not at all在回答“对不起”时的区别?例题；--Professor Johnson,I'm afraid I can't finish the report this day .--( ).How about next week?A.Not at all.B.That'OK. professor johnson ,as well as his assistant,____on the medical project day and night to meet the deadlineA,workb,is workingc,are workingd,working为啥选B而不选d? Listen!Is Professor Johnson giving a report in the hall?NO,it ___be him,he has gone to JapanA.needn't B.may not C.mustn't D.can't Professor Johnson is said ------some significant advance in his research in the past year. ( )A having made B making C to have made D to make 请说明详细原因,谢谢! 英语翻译例句,Dr.Johnson was honored to be invited as a visiting professor at that university. To keep healthy, Professor Johnson ______ cycling as a regular form of exercise after he retire； our english teacher is miss johnson提问 He is college professor是什么意思 – Professor Johnson has announced that the exam will be given soon.---That is not fair.How much time ________ for us to prepare?A.there is B.is there C.it is D.is it 为何不选d ,两者有什么区别,.Any parent hopes to gain the best education professor Web browsers first appeared on computers in the early nineteen nineties.Since then,the Internet has greatly changed the way people communicate.But some teachers think the changes are not all for the better.Eleanor Johnson is an English professor at C Who is the husband of professor Xuyoucai ? Professor Wang is giving a lectre on_____. ( )oid lady in brown is( )university professor. my name is Johnson如何变一般疑问句?