--- Did you understand what the teacher said ?---Yes! She explained the text in detail to make her lessons __________.
30.One of the greatest of unhappiness,in my experience,is the difficulty we have in accepting things as they are.
29.Mr. Bush is on time for everything.How it be that he was late for the opening ceremony?
28.Whether, an advertisement succeeds or not is decided by whether it has the culture consciousness.
27.Education reform, the Chinese government attaches great importance,has attracted a lot of public attention.
26. The company _______ a rise in salary for ages but nothing has happened yet.