I was doing my homework _______ a dog came in...

I was doing my homework _______ a dog came in.

A. when　　　     B. while

C. as　　     　　 D. At

八年级英语单项填空简单题查看答案及解析

I 　　 my homework when my parents came back from work yesterday.

A.am doing B.will do C.did D.was doing

八年级英语单选题中等难度题查看答案及解析

When Jim’s mother came in , he_____ homework.

A. is doing B. has done C. was doing D. did

八年级英语单选题中等难度题查看答案及解析

When Jim’s mother came in , he 　　 his homework.

A. is doing　　　　　　 　 B.has done

C.was doing　　　　　　　　 D.had done

八年级英语单项填空中等难度题查看答案及解析

I was doing my homework ________ my mother was cooking in the kitchen.

A. when　　 B. while　　　　　　　　 C. if　　 D. until

八年级英语单项填空中等难度题查看答案及解析

My brother came back home while I 　　　　　　 homework.

A.am doing　　　　 　　 B.did　　　　　　　　

C. was doing　　　　　 D. were doing

八年级英语单项填空中等难度题查看答案及解析

—What were you doing ______ your mother came back?

—I was doing my homework, of course.

A.during B.after C.while D.when

八年级英语单选题中等难度题查看答案及解析

My father was reading a book ________ I was doing my homework.

A. before　　　　     B. after　　　　     C. when　　　     D. while

八年级英语单项填空简单题查看答案及解析

I was surfing the Internet 　　　 my brother was doing his homework.

A. after　　 B. because　　 C. while　　 D. when

八年级英语单项填空简单题查看答案及解析

I was playing computer games　 　　　 my brother was doing his homework.

A. after　　 B. because　　 C. while　　 D. When

八年级英语单项填空中等难度题查看答案及解析