Is it the years when you worked in Africa as a doctor ___have a great effecta,where b,that 选b 是强调句吗.但是去掉Is it that.翻译下have a great effect on your works you worked in Africa as a doctor in the years..强调根本读不同啊

Look The tree is growing well.When -Three years ago.A.was it planted B.did it plantC.will it be planted D.is it planted.选哪个 kunshan is no longer the city( )it was ten years agoA that B when C where D what when it is safe （） the road 3.when were you born?do you know.what animal year is it?can you say something about the origin of the animal years? It is no longer what it was 20years ago,___poorly equipped.A.when B.which 1.it is about 600 years ago __ the frist clock was made.(that until when since)2.it was eight'clock ___ he came to school.it was at eight ___ he came to school.(that before since when ) it seems the only time...is when ...or when ...造句 IQ挑战 1How is it The old man is already sixty years old But he has olny fifteen birthdays.so,How is it ,and when is his birthday 英语选择题b为什么不行?It is 3 years _c___ he joined the army.A.before B.after C.since D.when --- What was the party like?--- Wonderful.It is years ____ I enjoyed myself so much.A.after B.before C.when D.since我怎么也想不通 __- environnmental damage is done ,it takes many years for the ecosystem to recoverA Even if BIf only Cwhile D when It is three years since she was in the It is five years ___ Mr Wang ___ the car It is ten years since he ____(join) the army it was about 500 years ago _____ the dream came true是强调句型没错“It is 8 o'clock when. It is at 8 o'clock that有什么关系么 根据短文,完成句子How is it?The old man（老人） is already sixty years old.But he hasonly had fifteen birthdays.How is it?When is his birthday?Keys:His birthday is on FEbruary 29th.It is a leap tear(闰年）every four years.So he has had It is too late to gvieve when the chance is The weather is too cold ____ March this year.It was still ____ when I came here years ago.3.——The weather is too cold ____ March this year.——It was still ____ when I came here years ago.A.for; colder B.in; cold C.in; hot D.for; hotter