—Is the meeting held in Room 302or 303?—It should be 302.But I hear that it ___till tomorrow.

相关推荐

• —Is the meeting held in Room 302or 303?—It should be 302.But I hear that it ___till tomorrow.A wasput upB will put offC has been put offD is put off我感觉填的空的动词形式应与hear保持一致，应该是D吧！
• —Is the meeting held in Room 302or 303?—It should be 302.But I hear that it ___till tomorrow.
• —Is the meeting held in Room 302or 303?—It should be 302.But I hear that it ___till tomorrow.A was put offB will put offC has been put offD is put off
• —Is the meeting held in Room 302or 303?—It should be 302.But I hear that it ___till tomorrow.
• CaCl2能和HF能反应吗?如果能反应,是不是因为生成的CaF2不溶于稀酸引起的?
• 求一个分式题的解：