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1
There has been a gradual rise in the
4. There has been enormous growth in the economy this year.
The economy
5. The number of foreign tourists to Vietnam has decreased quickly during the past years.
There has been
6. There was a big fall in our coffee exports due to bad weather.
-
Our coffee exports
7. There will be a gradual decrease in the price of computers.
→→The price
. The traffic system in Vietnam has changed a lot in recent years.
There has been
→
(considerably)
(rapid)
(significantly)
(steadily)
(dramatic)