Seven presidents have been seen__during the past 20 yearsA.to come and go B.coming and going C.come and go D.to come and to go why choose

Presidents' Day seven seven Seven presidents have been seen__during the past 20 yearsA.to come and go B.coming and going C.come and go D.to come and to go why choose seven seven seven two hav a great Russian,US presidents sign joint statement In many English homes, people eat four meals a day: breakfast,lunch,tea and dinner. People have breLunch comes at one o'clock. Afternoon tea is from four to five in the afternoon and dinner is about half past seven. Fist they have soup, then they hav 英语翻译Peanuts are very highly nutritious and are also high in protein（蛋白质）.American use about seven tenths of their protein in the form of the meat.In India,where the poor can’t pay for meat or milk,peanuts meal and peanuts milk hav yesterday,l_1（no get up）until seven in the morning.【读短文用括号里动词的适当形式填空】.【接上面一句的后面】l——2（have）my breakfast and _3(go) to school.but l_4(not catch) the bus.l_5(be) late for class.we_6(hav N( ) some famous presidents of the USA you know 英语翻译破折号中的right up to their presidents是什么意思呀? BBC HORIZON THE PRESIDENTS GUIDE TO SCIENCE怎么样 I want u to hav my 一头雾水 hav sb's own way是什么意思? 外国人问我hav u measurements? seven(序数词) Seven是什么意思/..