Energy conservation is any behavior it results in the use of less energy.
Chọn đáp án B
They caught a taxi ______ they could arrive at the conference on time.
Error Identification
Some people are concerned that burning garbage may make harm to the environment.
At the time being, many products are nearly identical ______ one another ______ quality and price.
Four years ______ a long time to spend away from your friends and family.
The richest, 5 percent of Americans, earned approximately 10 times much as the poorest,20 percent.
I want a new house. It ______ have a swimming pool, but it ______ have a nice garden.