It's 3 km from the center.为什么添from

It's 3 km from the center.为什么添from It's 3 Km ( ) the center.A:from B:in C:of D:off Where is the vapour _____?It's from water.A.come from B.be from C.from because it's 137km from tianjin to beijing. () is 200 km from here to the natural parkA There B it C this D the place It’s 3 miles from the center翻译一下 ___is the way from your hometown?It's about 20km from here.( A,How long B,How far 为什么选A ___is the way from your hometown?It's about 20km from here.(How long/How far)我认为是填写 How long,对么? It's down the street __ the left .A / B in C on D from it,s about2,100 km from bejing totokyo.划线是:about 2,100 km答案是什么 --------what about the protection?----Let's keep the surface( ) dirt by putting a cover over it .A,far from B ,free from C,apart from D,away from 英语翻译It’s roughly 1.6km north of the township at the southern entrance to Queen Elizabeth Park,a mere 200m from the beach. Let's _____of the water.A.push out it B.push it from C.push it out Is your home far _ the park?No,it's near_.A.to;from B.from;from C.from;/ D to; to It’s sixty kilometers here to the school A.away from B.far away from C.away D.far 1.A train slows down as it rounds a sharp horizontal turn,slowing from 90 km/h to 50 km/h in the 15s that it takes to round the bend .the radius of the curve is 150m .compute the acceleration at the moment the train speed reaches 50 km/h.assume it co It's a _____dictionary.I borrowed it from the library. It's quite.different from I read last montIt's quite.different from I read last month A that B which C the one D the one what