---We went to bed that evening at 10:30.-That’s a good habit.A. at an endB. as usualC.

问题补充：

---We went to bed that evening at 10:30.

---That’s a good habit.

A. at an end

B. as usual

C. right away

D. as a matter of fact

答案：

A. at an end

(答案→)B. as usual

C. right away

D. as a matter of fact

解析：短语辨析。A结束；B和往常一样；C立刻马上；D实际上。句意：—和往常一样我们在10点30上床睡觉。—那真是一个很好的习惯。根据句意说明B正确。