How old...(1) you be on Friday 13,2029? That is how old you will be when a large asteroid, called Apophis, come very, very close to...(2)planet, Asteroids are rocks that circle the sun in space and sometimes...(3)close to earth and even hit it. Most asteroid are very small and, if you are lucky, you can sometimes see...(4)in the night sky as "falling starts". However, most scientist .....(5) one large asteroid,abot six to twelve kilometres across, hit the earth and killed all dinosaurs about 65 millions years ago. Apophis is also big. Sciencetist.....(6)it .....(7) 2004 and they say that it is about 300 metres across. That is about the size of the large sports stadium. An asteroid this size, according to scientists,is.....(8) large enough to destroy our world, but it is large enough to destroy serveral cities. It will probably miss the earth, they say, but not by very much - it will miss us(9)......about 35000 km that is much closer than our moon which is about 24000 km away. Another way of thinking about it is that it will be ......(10) us by only few minutes. 1.A.are B.will C.do D.can 2.A.our B.us C. ours D.we 3.A.came B.comes C. coming D.come 4.A.they B.their C. them D.they are 5.A.believe B.believed C.believes D.beliving 6.A.discovering B.discovered C.discover D.discovers 7.A.on B.at C.in D.to 8.A.no B.don't C.ín't D.not 9.A.in B.buy C. to D.for 10.A.missed B.misses C.missing D.miss