All we know that mobile phone is the most (a)___ invention of modern science. Now a days, it is very (b)___ for us. At (c)___ it is very small and light. (d)___ changes have been brought about in (e)___ communication by mobile phone. The whole (f)___has now become smaller and (g)___ in respect of communicating information. But it is (h)___ that mobile phone has some (i) ___ too. Over all, it is a great (j) ___ for mankind.