题目

题型：不详难度：来源：

Jack     his pet dog every day. The dog must feel sad when he’s alone all day long.

A．should walking

B．should to walk

C．had better walk

D．had better to walk

答案

C

解析

试题分析：句意：杰克最好每天都要遛遛他的宠物狗。那条狗一整天都单独呆着一定感到难过。had better do sth意为“最好做某事”；should do sth意为“应该做某事”；故选C。