()是保安服务工作的出发点和归宿。
A.保障安全
B.经济效益
C.严格执法
D.维护秩序
参考答案:A
Which skirt do you like ___________, the red one or the blue one?[ ]
A. well
B. good
C. better
D. best
--- Look!Somebody ___ the sofa.
--- Well,it wasn’t me. I didn’t do it.
A.is cleaning
B.was cleaning
C.has cleaned
D.had cleaned