The infrastructure of our city needs upgrading. It’s in an extremely poor condition now.
by The infrastructure of our city needs upgrading. It’s in an extremely poor condition now. A. The infrastructure of our city needs upgrading, for it’s in …
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Wastewater is treated and turned into drinking water. This is done to ensure there is no shortage of fresh water.
Wastewater is treated and turned into drinking water. This is done to ensure there is no shortage of fresh water. A. For there is shortage …
Most Superstar City Dwellers are quite happy with their life and work. Barbara and Mark are quite happy, too.
Most Superstar City Dwellers are quite happy with their life and work. Barbara and Mark are quite happy, too. A. Not only most Superstar City …
Urban planners carry out projects to develop a city. They look at the needs of local people and the environment when they do this.
Urban planners carry out projects to develop a city. They look at the needs of local people and the environment when they do this. A. …
Researchers are developing low-cost devices. These devices can detect water pollutants in rivers and lakes.
Researchers are developing low-cost devices. These devices can detect water pollutants in rivers and lakes. A. Researchers are developing low-cost devices that can detect water …
Plants and flowers can’t live without water.
Plants and flowers can’t live without water. A. If you water plants and flowers, they can’t live. B. If you water plants and flowers, they …
My computer always crashes when a CD is inserted
My computer always crashes when a CD is inserted A. If I insert a CD, my computer will crash. B. If I insert a CD, …
Water always boils when you heat it long enough.
Water always boils when you heat it long enough. A. If heated long enough, water boils. B. If water is heated long enough, it boils. …
I think you should tell your parents the truth.
I think you should tell your parents the truth. A. If I am you, I tell your parents the truth. B. If I am you, …
You use your mobile phone a lot, so you have large phone bills.
You use your mobile phone a lot, so you have large phone bills. A. If you don’t use your mobile phone a lot, you don’t …