The teacher’s words left us .A. thinkB. to thinkC. thoughtD. thinking

问题补充：

The teacher’s words left us .

A. think

B. to think

C. thought

D. thinking

答案：

A. think

B. to think

C. thought

(答案→)D. thinking

解析：leave作“使某人/物处于……状态”解释，后接带分词的复合结构。