题目

--Have you made any progress in your research? -- Not yet, but I ____ soon.     A. will make it     B. had made it   C. am making it  D. make it 答案：A解方程。8X－4×7＝42 X－0. 9X=81. 912.3＋5X＝3. 8 4（0.3＋X）＝6. 8