下列哪一项不属于控制下颌运动的主要因素（）
A.左侧颞下颌关节
B.右侧颞下颌关节
C.血液供应
D.（牙合）
E.肌肉结构
参考答案：C
_____ ,Michael Jordon, a shy and small boy, didn't look like a future superstar. [ ]
A. Grown up
B. Grew up
C. To grow up
D. Growing up
It’s difficult for the village children to cross the river to get to school. We think a bridge________ over the river
A．was built
B．should be built
C．has been built
D．is being built
