Question

--- What were you doing this time yesterday?
　　--- I ______ on the grass and drawing a picture.

A．sit

B．sat

C．a(chǎn)m sitting

D．was sitting

Answer 1

D

本題是對(duì)動(dòng)詞時(shí)態(tài)的考察，問(wèn)句和答句時(shí)態(tài)上要統(tǒng)一，問(wèn)句是過(guò)去進(jìn)行時(shí)，對(duì)于過(guò)去的某一時(shí)間的動(dòng)作提問(wèn)，所以答句使用過(guò)去進(jìn)行時(shí)。