题目: I can't leave. She told me that I ____ stay here until she comes back. [ ]A. may B. must C. can D. will 答案: 答案:B
题型:选择题 —Are you in the Reading Club?—_______. [ ]A. Yes, you are B. Yes, I'm C. I am D. Yes, I am 查看答案
题型:单项选择题 矿井瓦斯地质图一般选用矿井可采煤层底板等距高线图作为编制底图;对开采急倾斜煤层的矿井,则以煤层立面投影图为底图。无论平面图或是立面图,均应表示()两个方面的内容。A.瓦斯、地质B.瓦斯、煤层C.瓦斯、水文 查看答案