Compared with his sister, Jerry is even more ________ to, and more easily troubled by, emotional and relationship problems.

The Forbidden City attracts a _____ stream of visitors every day, especially during national holidays.

She felt _____ of having asked such a silly question when the audience couldn't help laughing.

Of the two readable books, which do you think is ______ one for me to read?

After his journey from abroad , Richard Jones returned home, _____.