Английский. Хочу проверить себя.Помогите:)

Packet sugar from the supermarket…. (1.extract) from either sugar cane or sugar beet. These
products…(2.mix) with hot water, which…. (3.dissolve) their natural sugar. Sugar…(4.also find)
in fruit some of which, such as dates and grapes, …(5.contain) very high amounts of sugar. To be
a little more scientific, sugar should …(6.call) sucrose. Sucrose …(7.make up) of two
substances, glucose, which …(8.use) for instant energy, and fructose, which…(9.last) longer as a
source of energy. The sugar in fruit is mainly fructose. So when we …(10.eat) fruit, we
…(11.also eat) quite large amounts of natural sugar. Some scientists …(12.believe) that too much
sugar …(13.eat) in sweets, cakes and biscuits. It …(14.say) to be generally bad for health,
although nothing …(15.definitely prove) so far. However, it …(16.know) that sugar …(17.cause)
tooth decay. As one expert put it: "If other foods …(18.damage) our body as much as sugar
…(19.damage) our teeth, they …(20.ban) immediately.

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