----I hear that Tom was badly injured in a car accident and is in hospital now.----- let’

问题补充：

----I hear that Tom was badly injured in a car accident and is in hospital now.

-----, let’s pay a visit to him.

A. If any

B. If so

C. When possible

D. When necessary

答案：

A. If any

(答案→)B. If so

C. When possible

D. When necessary

解析：考查省略句： If so“如果这样的话”是常见省略结构。这句话里相当于if Tom was badly injured in a car accident and is in hospital now. A如果有一些、C当可能的时候、D 当有必要的时候，三项也是常见的省略形式。选B。