车辆保养是定期()。
A、强制的
B、需要的
C、规定的
参考答案:C
The poems said________by Sean Cannery will be published next year.
A.having written
B.written
C.to have been written
D.having been written
下列烹调方法中______在火候上要求急火热油速成。
A.炖菜
B.软炸
C.爆菜
D.熘菜