问题
选择题
They went into the room and saw a large piano standing____ the wall,covered with thick cloth.
A．against
B．onto
C．behind
D．on
答案
答案：A
题目分析：考查介词：句意：他们进入房间看见一个大钢琴靠在墙上，上面盖着厚厚的布。选A。
点评：介词要考虑本身的含义区别，也要记忆一些特定场合的用法