問題補充：
單選題
I haven' t seen Mary these past few days. I m afraid she ____ herself for some timeA.isn't feelingB.hasn' t been feelingC.hadn't been feelingD.wasn't feeling
網(wǎng)友答案：
熱心網(wǎng)友 1樓
B解析該題考查時態(tài)的用法。從題干for some time可知，選項部分時態(tài)應(yīng)為完成時，與前部分對應(yīng)，應(yīng)為現(xiàn)在完成進行時。
