there is a blackboard () the front wall.(A.on B.in C.at)如题
问题描述:
there is a blackboard () the front wall.(A.on B.in C.at)如题
答
at the front( from)固定搭配
there is a blackboard () the front wall.(A.on B.in C.at)如题
at the front( from)固定搭配