Câu số 21:   It's time he acted like a _______ adult and stopped blaming others for his wrongdoings.

Câu số 22:   We _______ on a field trip if the weather is fine this weekend.

Câu số 23:   Once recipe for success is to stay focused and _______ yourself to whatever you do

Câu số 24:   It's not my ______ to tell you how to run your life, but I think you should settle down and have a family.

Câu số 25:   (25) ______

Câu số 26:   (26) ______

Câu số 27:   (27) ______

Câu số 28:   (28) ______

Câu số 29:   (29) ______

Câu số 30:  

Which best serves as the title for the passage?