Solar energy can help us _____ household bills every month
7. Solar energy can help us _____ household bills every month.
A. reduce B. increase C. reuse D. recycle
8. Wind or solar are _____ resources that can supply us with abundant power.
A. unlimited B. limited C. renewable D. A&C are correct
9. These days it is impossible to open a newspaper_____ reading about the damge we are doing to the evironment.
A. without B. with C. of D. off
10. Reducing pollution is complicated ______ much pollution is caused by things that bennefit people.
A. however B. although C. because D. despite