— I can’t find my new dictionary.      — Is the one on Gary’s desk           ?

---______do you need?---Size 6.

The price of a cup of coffee is higher than _______ of a glass of Cola.

Liu Xiang has failed over and over again in the past years. And that's _________ he succeeds.

 —I prefer speaking to listening in English learning.—Oh, really! I think you should be good at _____of them.