Studying Wendy's menu, I found that many of the items are similar to______ of McDonald's.

—Have you got any plan for the coming summer holidays?—Well，I’m going to a quiet place, especially _____ suitable for relaxing myself.

 Upon arriving home from a business trip, dad asked mum about my academic performance at high school and then _____ of my little sister, who was in junior school.

Of all the books on the desk, ________ is of any use for our safety.

—What are you two whispering about over there?—Oh, ________. Just small talk.