Question

The teacher found ____ difficult to decide ____ he would take with him to attend the conference.

      A. it; whom      B. himself; who     C. this; whom    D. that; who

Answer 1

A                       

解析:

第一空用形式賓語it,第二空可以用who或whom引導(dǎo)賓語從句并在從句中作take的賓語。