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4.The quality of food in supermarkets has increased sharply.

There ...................................................................................................................................................

5.There was a quick drop of $3 million in sugar imports in 1988.

1988 ....................................................................................................................................................

6.The price of laptops dropped quickly over the period.

 A quick drop .......................................................................................................................................

7.There was an upward trend in the number of visitors to the website.

The number of visitors ........................................................................................................................

8.The growth rate fluctuated wildly throughout the years.

There ...................................................................................................................................................

9.The number of students applying to the university stabilized over the decade.

 A stability ............................................................................................................................................

10.The year 2000 saw a gradual growth in the house price in London.

The house price in London ................................................................................................................