How old (16) _______ you be on Friday 13, 2029?

Choose the word or phrase among A, B, C or D that best fits the blank space in the following passage

How old (16) _______ you be on Friday 13, 2029? That is how old you will be when a large asteroid, called Apophis, comes very, very close to (17) ________ planet. Asteroids are rocks that circle the sun in space and sometimes (18) _________ close to Earth and even hit it. Most asteroids are very small and, if you are lucky, you can sometimes see (19) ________ in the night sky as “falling stars”. However, most scientists believe one large asteroid, about six to twelve kilometers across, hit the earth and (20)_________ all the dinosaurs about 65 million years ago. Apophis is also big. Scientists (21) ______ it was (22) ___________ 2004 and they say that it is about 300 meters across. That’s about the size of a large sports stadium. An asteroid this size, according to scientists, is (23) __________ large enough to destroy our world, but it is large enough to destroy several cities. It will probably miss the earth, they say, but not by very much – it will miss us by about only 35,000 kilometers – that’s much closer than our moon (24) _____ is about 240,000 kilometers away. Another way of thinking about it is that it will (25) ________ us by only a few minutes.

(16) _________

• A. are
• B. will
• C. do
• D. can