A:Every dog has its day.
B:A new broom sweeps clean.
C:A cat may look at a king.
D:A person is known by the company he keeps.
在中国北纬40°的草原地区,被奶业公司誉为黄金奶源基地,其中最著名的三大黄金奶源基地分别是①呼伦贝尔、②锡林郭勒、③新疆伊犁。据此回答下面小题。
夹子是____杠杆。
When will Sally probably go to Shanghai?