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?

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； JOHNSON To keep healthy,Professor Johnson ______ cycling as a regular form of exercise after he retire；选项:a、took up b、 caught on c、 carried out d、 made for 英语单选 词类辨析To keep healthy, Professor Johnson ____cycling as a regular form of exercise after he retired.A .caught on B. took up C. carried out D. made for 这个英语题为什么选C不选D---Why was Professor Johnson unhappy those days?---Can't you see it clearly?The only reason was that the theory he stuck to ( )wrong.A provingB being provedC provedD was proved –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. 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 请教一个英语单选题Professor Johnson's retirement____ from next January.A.carries into effect B.takes effectC.has effect D.puts into effectcarry into effect 为什么不能选？take effect 貌似还有药效起作 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 works (in a police station)提问 Johnson led a careless life.翻译 a word professor什么意思 1.Oh,dear!I’ve just broken a window.-- ________.A、Great B、Don’t worry 错 C、That’s fine D、1.Oh,dear!I’ve just broken a window.-- ________.A、GreatB、Don’t worry 错C、That’s fineD、Not at all 2.Professor Johnson comes from eit be away与be away for--Professor Johnson,last night when I was putting the finishing touches on my paper,a computer failure completely wiped up my files.Do you think I could have another day to retype it?--I'm sorry,Rod.I'm leaving for a conference t 关于跨文化交际的案例分析,希望懂的朋友帮忙分析分析.Professor Johnson was invited to give a guest lecture at a Chinese university in the early 1990s.He could tell the students were very attentive.They applauded warmly when the l