We should change our energy consumption habit, _______ can help reduce our carbon footprint.

A. A City Survey with a Difference

B. Websites about Best and Worst Cities

C. Ways to Carry Out a Questionnaire

D. Citizens’ Opinions of Their Own City

A. It is essential that he needs to come to the interview early.

B. It is necessary that he comes to the interview early.

C. It is necessary that he come to the interview early.

D. It is essential that he comes to the interview early.

A. went over

B. put up

C. turned up

D. got over

A. kind

B. means

C. taste

D. sense

A. face

B. mate

C. talk

D. play

A. finds

B. find

C. found

D. will find

A. She didn’t have a dental check-up two years ago.

B. She hasn’t had a dental check-up for two years.

C. She had a dental checkup for two years.

D. She has had a dental check-up for two years.