问题
选择题
Many children are ____ in the countryside when their parents flood into the cities for jobs．
A．left behind
B．left off
C．left aside
D．left out
答案
答案：A
考查短语辨析。句意“当父母涌进大城市打工时，许多孩子都被留在乡下的家里了。”A“遗留，留下”；B“终端，戒除”；C“搁置”；D“漏掉，省略”。故选A。