6. After a long and exhausting journey they arrived ________.

A) till the last B) by the end C) at the end D) at last

7. His understanding made a deep impression ________ the young girl.

A) in B) on C) for D) to

8. Although the weather was very bad the buses still ran on ________.

A) list B) schedule C) plan D) arrangement

9. Jane was hit on the head by the robber and was knocked ________.

A) mindless B) unconscious C) brainless D) unaware

10. ________ you decide to take up, you should try to make it a success.

A) If only B) Unless C) Whatever D) Whenever

　答案：

　　6-10 BDABC