问题详情:
Peter was so careless that he_________the books on the shelf.
A. knocked over B. knocked at
C. knocked on D. knocked into
【回答】
A
知识点:动词和动词短语
题型:选择题
问题详情:
Peter was so careless that he_________the books on the shelf.
A. knocked over B. knocked at
C. knocked on D. knocked into
【回答】
A
知识点:动词和动词短语
题型:选择题