It's difficult ------(remember)these words.Look!The children
It's difficult ------(remember)these words.Look!The children are singing-----(happy) finish+什么? The shopkeeper sells the sports shoes to the boy at a good (p ).
t's difficult ( to remember)these words.固定句型it's +adj.+to do sth Look!The children are singing (happily ) 副词修饰动词SING finish+名词/代词/ 动词ING形式? The shopkeeper sells the sports shoes to the boy at a good (prive 价钱 ).