顺序容器(vector,list,deque)中，能通过pop_front()删除最前面的元素的是（   ）。

The store is __________(in front of / to the front) the park. A: in front of B: to the front

There is a tree ________the house. A: in front B: in the front of C: in front of D: on front of

输入序列为ABC，可以变为CBA时，经过的栈操作为: push,pop,push,pop,push,pop|push,pop,push,push,pop,pop|push,push,pop,pop,push,pop|push,push,push,pop,pop,pop

The bus stop is ________________ the gate. A: in the front of B: in front C: in front of D: at the front of

He is sitting __________ the classroom. A: at the front B: in the front of C: in front D: in front of

There<br/>is a tree ________the building. A: in front of B: in the front of C: in front D: in the front

输入序列为abc,若输出序列为bca,经过的栈操作为( ) A: push,pop,push,pop,push,pop B: push,push,push,pop,pop,pop C: push,push,pop,push,pop,pop D: push,pop,push,push,pop,pop

The square is just _____________________ of Bank of China. A: in front of B: in the front of C: at front of D: at the front of

There is a ship （)the photo. A: A. in the front of B: B. in front of C: C. the front of D: D. front of