Fill in each numbered blank with one suitable word or phrase.

Packet sugar from the supermarket is extracted from (1) _____sugar cane or sugar beet. These (2)____ are mixed with hot water, which dissolves their natural sugar. Sugar is also found in fruits, some of which, such as dates and grapes, (3) ____ very high amounts of sugar. To be a little more (4) ____, sugar should be called sucrose. Sucrose is made up of two substances, glucose, which (5)_____ for instant energy, and fructose, which lasts longer as a source of energy. The sugar in fruit is mainly fructose. So, when we eat fruit, we (6) ____ quite large amounts of natural sugar. Some scientists believe that too much - sugar (7) _____ in sweets, cakes, and biscuits. It is said to be generally bad for the health, although nothing (8) _____ so far. However, it (9) ____ that sugar causes tooth decay. As one expert said that “If other foods damaged our body as much as sugar (10) _____ our teeth, they would be banned immediately.”

However, it (9) ____ that sugar causes tooth decay.