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
网友回答
A. it; whom
B. himself; who
C. this; whom
D. that; who
解析：第一空用形式宾语it,第二空可以用who或whom引导宾语从句并在从句中作take的宾语。