My mother when someone knocked at the door. A. cooked B. is cooking C. will cook D. was cooki——青夏教育精英家教网——

题目内容

My mother ______ when someone knocked at the door.

A. cooked
B. is cooking
C. will cook
D. was cooking

试题答案

D

相关题目

My mother ______ when someone knocked at the door.

[ ]

A. cooked
B. is cooking
C. will cook
D. was cooking

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