问题

Health officials have tried toraise _______ about the H1N1 flu among all people

A:incase
B:even if
C:unless
D:when

正确答案是：

同类题型

下列各句修辞手法与其它不同的一项是

This coat is _______, but I don’t have _______ to buy it.

Over time the memory of the computer________so much that it never forgets anything it has been told .

Lucy has a great sense of humor and alwayskeeps her colleagues___with her stories [ ]

ly speaking, ________ of them knew what the other was doing that morning