The happy children _________ the coast, where they would see the sea for the first time in their lives.

A．made their way to

B．made their ways on

C．made their ways to

D．made their way on

在余留牙条件正常的情况下，设计双端固定桥时，不正确的选择是（）

A.缺失，为基牙

B.缺失，为基牙

C.缺失，为基牙

D.缺失，为基牙

E.缺失，为基牙