His grandparents used to ________ a walk after dinner, but now they are used to ________ a walk after breakfast.
–Can you answer this question? –Sorry, I can understand it.
The child doesn’t need any help. He is old enough to himself.
–Look! A blind man is in the middle of the street. It’s too dangerous. –Let’s help him go the street
[pri'pεə] A. parent B. prepare C. present
[mʌnθ] A. mouth B. march C. month