The population _____ of London city is 5,590 people per square kilometer. A. growth B. explosion C. density D. decline Many countries have the problem of overpopulated cities, _____? A. do they B. havent they C. doesnt it D. dont they _____ there are still thousands of homeless people living on the streets, it is fewer than in the past. A. As B. Though C. Because D. While Overpopulation is a serious problem which is _____ the world in negative ways. A. facingB. solving ...
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The population _____ of London city is 5,590 people per square kilometer.
A. growth B. explosion C. density D. decline
Many countries have the problem of overpopulated cities, _____?
A. do they B. haven't they C. doesn't it D. don't they
_____ there are still thousands of homeless people living on the streets, it is fewer than in the past.
A. As B. Though C. Because D. While
Overpopulation is a serious problem which is _____ the world in negative ways.
A. facingB. solving C. causingD. affecting
People won’t use flying carsthe year 2050.
A. beforeB. afterC. duringD. until
Isthe most serious problem?
A. pollutionB. pollutedC. polluteD. pollutant
We believe that urban transport pods can travelaround 30kph.
A. withB.atC. inD. on
Do you think theprice will increase next month?
A. fossil fuelsB. gasesC. fuelD. natural gases
We will use more energy in the future.
A. solarB. sunnyC. sunD.sunlight