英语语法知识
问题描述：
英语语法知识
what（ ）he（ ）usually（ ）on Sunday?he usually（ ）his homework.look!he（ ）（ ）his homework now.（ ）he（ ）his homework last Sunday?yes,he（ ）.
答
does,/,do.
dose.
is doing.
Did do.did