I think it’s going to be a big problem.
Yes,it could be.I wonder___we can do about it.
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听下面一段材料,回答 17~20 题。
第 17 题 What should the students bring with them to the exam?
where can we see the Monkey Mountain?
水闸壤土地基人工开挖临近设计高程时,应留出()的保护层暂不开挖。A.0.1mB.0.2mC. 0.3mD. 0.2~0.3m
听下面一段材料,回答 6~7 题。
第 6 题 Why did the men get to sleep so late?