He was so busy ____ his homework that he forgot to have supper.
A．to do
B．do
C．doing
D．does
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
根据n多题专家分析，试题“He was so busy ____ his homework that he forgot to have supper.A．to doB．doC．doingD．does…”主要考查了你对 【不定式】，【分词】，【动名词】 等知识点的理解和应用能力。关于这些知识点的“档案”，你可以点击相应的链接进行查看和学习。
◎ 相似题
与“He was so busy ____ his homework that he forgot to have supper.A．to doB．doC．doingD．does”考查相似的试题有：
