To keep up with their work, the vast majority of office clerks today must read letters, reports, trade publications, interoffice communications, to say _______ of newspapers and magazines.
This new teaching approach is specially ______ to develop children’s problem-solving skills.
The opening ceremony of Beijing 2008 Olympics is a great success, which is believed ________ the Chinese splendid civilization.
A good speaker is supposed to manage to ________ the listeners what he means.
----Whose advice do you think I should take? ----________.
Leaves are found _______ all kinds of trees, but they differ greatly ________ size and shape.