-What did you do last night,Bob-First I did my homework,and theI played ______ piano for half ______ hour.
·the;a
·/;an
·the;an
·a;the
出自:华北水利水电大学英语

完成拼图验证

按住下方滑块,将拼图拖到缺口处后松开。

拼图背景,将小拼图拖到缺口处
向右拖动滑块