Let’s_______a mouse on the black board.
A：draw
B：drawing
C：draws
I think Zhou Xun is one of the best . I like her movies very much.
圆心在x轴上，半径为1，且过点（2，1）的圆的标准方程为____
下列属于传染病的是（ ）
谜语“船出长江口”是指我国那个直辖市：
