She looks very happy. She __________ have passed the exam.— I guess so. It’s not difficult after all.

of the good results of the exam, the teacherfelt very happy

What do you think of the talk show— I can’t ______it. It’s too boring.

It’s a wise ________ to wear the red tie. It matches(匹配) your shirt well.— Thank you very much.

How do you often spend your summer holidays?—I often go hiking, for I like_____ nature.[ ]