问题补充:
I was doing my homework mother was cooking.
A. when
B. while
C. as
D. what time
答案:
A. when
(答案→)B. while
C. as
D. what time
解析:when当……时;while当……时,一边……一边……;as因为,随着;what time什么时间。句意:当我的母亲正在做饭时,我正在做作业。While引导时间状语从句强调主从动作的同时发生,结合语境可知选B。
时间:2020-10-14 04:18:53
I was doing my homework mother was cooking.
A. when
B. while
C. as
D. what time
A. when
(答案→)B. while
C. as
D. what time
解析:when当……时;while当……时,一边……一边……;as因为,随着;what time什么时间。句意:当我的母亲正在做饭时,我正在做作业。While引导时间状语从句强调主从动作的同时发生,结合语境可知选B。