选词填空： be smart about | trap | carpooling | do our part | make a difference Climate change may be a big problem, but there are many little things we can do to ____1____ [填空1] . If we try, most of us can ____2____ [填空2] to reduce the amount of greenhouse gases that we put into the atmosphere. Many greenhouse gases come from things we do every day. As we have learned, these greenhouse gases ____3___ [填空3] energy in the atmosphere and make the Earth warmer. Driving a car or using electricity is not wrong. We just have to ___4____ [填空4] it. Some people use less energy by ___5____ [填空5] . For example, four people can ride together in one car instead of driving four cars to work. Why not try to do something to help make the planet a better place?