Question

My grandma ______ dinner when I got home yesterday.

A．cooks

B．will cook

C．is cooking

D．was cooking

Answer 1

D

四個(gè)選項(xiàng)分別對(duì)應(yīng)一般現(xiàn)在時(shí)態(tài)、將來(lái)時(shí)態(tài)、現(xiàn)在進(jìn)行時(shí)態(tài)和過(guò)去進(jìn)行時(shí)態(tài)，根據(jù)時(shí)間狀語(yǔ)，我昨天回到家時(shí)，可知主語(yǔ)為過(guò)去進(jìn)行時(shí)態(tài)，選D。