My birthday is _______ July.[ ]
A. at
B. on
C. in
答案：C
可做片剂润滑剂是______。
A．糊精B．PVPC．羧甲基淀粉D．硬脂酸镁E．乙醇
The old man lives ____ but he doesn’t feel ____.
A. lonely; alone B. alone; lonely C. lonely; lonely
