12. My shoes are dirty . I’d better .................. them off before I come in.
A. put B. get C. push D. take
13. She didn’t stop working when she got married. (CLOSEST)
A. give up B. go on C. get into D. set in
14. You can look .................. a word in a dictionary if you don’t know what it means.
A. into B. for C. up D. over
15. I was late again .................I got up very early .
A. because B. so C. if D. though
16. The new ……………..air- conditioner doesn’t consume much electricity.
A. category B. label C. model D. set
17. Mrs Jones uses only two ordinary bulbs and she pays USS 8 ………….lighting.
A. with B. for C. in D. of
18. It takes thirty minutes to cook this dish. It is …………
A. profitable B. energy-wasting C. wasteful D. time-consuming
19. It was rainning; ………………,the soccer game was going on.
A. and B. but C. however D. therefore
20. Now consumers want ……...that will work effectively and save money.
A. produce B. produced C. products D. producers