when I saw her smiling face, I knew she _____ from her son studying abroad.A. hear B. has heard C. had heard D. was hearing

相關(guān)內(nèi)容：

2012年自考英語(yǔ)一單項(xiàng)選擇每日一練（10.18）

（責(zé)任編輯：vstara）