题目内容
（请给出正确答案）
Have you checked the fire sprinklers in your work unit？
A.Yes. But they need good maintaining
B.Yes. They are in good condition
C.No. I can’t find appropriate chance to check.
D.Sure I prefer to check beforehan
简答题官方参考答案
（由简答题聘请的专业题库老师提供的解答）
更多“Have you checked the fire sprinklers in your work unit？A.Yes. But they need good maintaini”相关的问题
Have you checked()at the hotel yet？
A、in
B、out
C、up
A.if
B.unless
C.when
D.though
You'd better have the pipe checked today. It has kept ______ for three days.
A．pouring
B．leaking
C．spitting
D．dropping
A. is checking
B. is being checked
C. has checked
D. was being checked
听力原文：W: Have you checked that the other programmes are working properly？
M: Yes, I have. It's just this one that doesn't work. I'll have to reinstall it using the disc.
Q: What is the man trying to do？
(13)
A．Use a computer program.
B．Watch TV.
C．Install an electrical system.
D．Use a car radio.
A、checked
B、have checked
C、am checking
D、checking
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