题目内容
() l0. Sally is busy her studies and her mother is busy trees.
A. at;plant B. to;planting
C. with;planting D. with;to plant
10. C
10. C be busy with sth.意为“忙于某事”;be busy doing sth.意为“忙于做某事”。
练习册系列答案
相关题目
题目内容
() l0. Sally is busy her studies and her mother is busy trees.
A. at;plant B. to;planting
C. with;planting D. with;to plant
10. C be busy with sth.意为“忙于某事”;be busy doing sth.意为“忙于做某事”。