问几道英语,

问题描述:

问几道英语,
已知O为原点,A(√3,1)若△OAB为等边三角形,则B的坐标为()?
Let's go to the movies on Sunday evening.(同义句)
()()()to the movies on Sunday evening?
请在9点前给我答案.

B(根号3,-1) 或者(0,2)
shallwe go