I believe _______ is very easy for us ______ Chinese well.

e old man told us most of the story,but _______ the part about the murder

Mary called and asked her husband homeat once, because she locked her daughter in the home.

It’s very________ that, in many schools, the students are going to spend less time in doing homework than they used to

21._____by a desire to learn, he was notinterested in children’s play and adventure when he was young.