VI. Read the passage and fill in the gap with a suitable word in the box. (3 pts)
much         brush               starts            carefully           causes             
  many    food    lose
Tooth decay (1) …………….... early in life. It continues throughout adult life, so many of us (2) ………….…. quite a few of our teeth by the time we reach old age. There are two (3) …………..…. of tooth decay. One cause is that many of us don’t take proper care of our teeth. Besides that, we eat a lot of sugary (4) ………………..…., thus result    in    tooth    decay.    Ever    since    we    are    young,    we    should    be     encouraged    to    (5) ……………..…..    our    teeth  properly  and    regularly.    However,    most  of    us  don’t  pay  (6)
……………………. attention to this advice and neglect our teeth.