问题 填空题 读一读，写数字。1. twenty _____________4. eighty _____________7. fifty _____________2. seventy _____________5. forty _____________8. sixty _____________3. thirty _____________ 6. ninety _____________ 答案 1. 20 2. 70 3. 30 4. 80 5. 40 6. 90 7. 50 8. 60
