How long is it ______ we last spent the holiday in the country together?
| A．until | B．before | C．that | D．since |
The forest guards often find campfires that have not been _______ completely.
| A．turned down | B．put out | C．put away | D．turned over |
I remembered my grandma _________ me stories when I was a little child.
| A．used to tell | B．used to telling | C．was used to tell | D．is used to telling |
If I take this medicine twice a day, it should _______ my cold.
| A．heat | B．cure | C．treat | D．help |
The children ran away from the orchard(果园)________ they saw the guard.
| A．for the moment | B．by the moment | C．the moment | D．at the moment |
In China, the education is divided into three _______: basic education, higher education and adult education.
| A．scores | B．categories | C．degrees | D．trends |