Question

Things will go worse, if the problem is _________ unsolved．

[　　]

A．

made

B．

remained

C．

stayed

D．

left

Answer 1

答案：D
解析：

made的意思是“使”，而left意为“留下，剩下”，所以left符合句子的情景; B、C项不接宾语补足语。