In the dark forests ________ some large enough to hold several English towns.

   A. stand many lakes                                    B. lie many lakes

   C. many lakes lie                    D. many lakes stand

【详解】本题考查倒装结构，完全倒装。同时stand 和lie的区别。stand是突出的，lie是平躺的，湖不可能是突出的，所以此题应该选择lie。

With his attention________on the shops along the roadside，he knocked an old man down while riding to school.

A  concentrating     B．concentrated     C．to concentrate      D．concentrates

答案　B

解析　考查词组，故选B项。