题目

Supporting groups ___ all over the country. Many people were excited about it. A. sprang     B. sprang up     C. spring    D. springs up   答案：B19．直接写得数 1.2+4.5=0.28×10=6.87-0.87=2.5×8=3×3.2=8.65×0=100×0.7=2.8÷0.7=0.24÷3=0.56÷0.8=