一:clean cleaned.take took.visit visited.go went.buy take.buy bought.sing sang.write wrote.eat ate.do did. 二: 1.略 2.miss panda give me a crayon. 3.mr horse gives me a CD. 4.miss bird gives me a stamps. 5.mr dog gives me a book. (由于不方便的原因,第二大题未大写开头,请自行调整.) ps:我不是英语老师,这些题也是刚才做的,所以不能保证完全对,尤其是第一大题.但正确率应该可以说是比较高的,如果有错,请不要介意.最后祝您学习向上,天天快乐.