. There is such an occasion ___________ we know lots of words, but we can’t choose a suitable one to express ourselves.

Your perfomance in the exam isn’t that satisfactory_____, you failed[ ]

It is well-known that the Internet will let people have ________ to huge amounts of information from their own homes.

Of the two coats, she ’d like to choose the ____one to save money for a book.

th in the park looked beautiful, _______ with _______ leaves.