1.I usually come to school by subwaty.(同义句）
I usually () () () to school.
2.His father sometiomes flies to Shanghai.(同义句)
His father sometimes () to Shanghai () ().
3.She often goes to school on foot.(同义句)
She often () () to school.
英翻汉
1.乘自行车（by bike) () 2.乘地铁(by subway) () 3.乘公共汽车(by bus) () 4.步行上学( ) ().
1.OA垂直OB,且∠AOD：∠DOC=3：2,∠BOC：∠AOD=5：3,求∠DOC的度数.（∠BOA为直角,OC在∠BOA只内,靠近OA,有∠DOC为180度）