问题
选择题
— Bob didn’t pass this exam.
— He____________.
A．should study hard
B．should have studied hard
C．should be studying hard
D．study hard
答案
答案：B
搜题请搜索小程序“爱下问搜题”
— Bob didn’t pass this exam.
— He____________.
A．should study hard
B．should have studied hard
C．should be studying hard
D．study hard
答案：B