Question

When he walks _____ my desk, he often knocks my books ______ the desk. A．pass; off B．past; .

When he walks _____ my desk, he often knocks my books ______ the desk. A．pass; off B．past; off C．pass; on D．past; on

Answer 1

B

试题分析：pass为动词，而第一空之前的词为动词，故选介词，所以将BC排除，knock sth on sth意思为用····敲···，为固定词组搭配。故选答案为B 点评：许多学生，对于pass的词性，注意对于介词off 与on的把握。