问题 选择题 选择正确答案。( ) 1. 32 －11 = ___________( ) 2. 19 + 4 = ___________( ) 3. 41 + 9 = ___________( ) 4. 48 －13 = ___________( ) 5. 40 －6 = ___________( ) 6. 28 + 15 = ___________A. thirty-fourB. twenty-threeC. forty-threeD. twenty-oneE. fiftyF. thirty-five 答案 1. D 2. B 3. E 4. F 5. A 6. C
