He is a hesitating man. And he is always _________everything. [ ]

All the isatis root（板蓝根）is sold out!—People are crazy! expertssay there is no use eating isatis root to preventH7N9, some people still don’t believe it.

To finish the work on time, we’ll have to work____ hours a day.

The result is not very important to us, but if we do win, then so much ________.

She has been teaching in a school since she graduated, so she is not __________ to associating with business people. [ ]