Jacky is so careless. He my books and pens the floor when he walked past my desk just now.

问题补充：

Jacky is so careless. He my books and pens the floor when he walked past my desk just now.

A. turned; over

B. knocked; onto

C. knocked; over

D. turned; onto

答案：

A. turned; over

(答案→)B. knocked; onto

C. knocked; over

D. turned; onto

解析：A.翻到，翻过来 B.无词短语C. 撞翻，打翻D.无词短语，句意：杰克太不小心了，他刚才经过我的课桌的时候将我的书和钢笔全都撞翻在地上了，根据句意，故选C.