Science is more than a collection of unrelated facts; to be meaningful and valuable, ______ must be arranged to show generalized character.

Would you like to have _______　milk ?

All of us have the desire to visit the three main temples in Athens, especially ______ that contains a gold and ivory statue of Athena.

--There is still a copy of the book in the library. Will you go and borrow _____? --I’d rather buy _____ in the book store.

It is not so difficult to learn English well. ________ you need is listening, speaking, reading and writing it every day.