问题补充:
I was walking to school, I saw a boy crying in the street.
A. Until
B. While
C. Before
D. After
答案:
A. Until
(答案→)B. While
C. Before
D. After
解析:本题考查连词。句意:当我步行去学校时,我看到一个男孩在街上哭泣。while当……的时候,和……同时。
时间:2021-04-18 07:44:27
I was walking to school, I saw a boy crying in the street.
A. Until
B. While
C. Before
D. After
A. Until
(答案→)B. While
C. Before
D. After
解析:本题考查连词。句意:当我步行去学校时,我看到一个男孩在街上哭泣。while当……的时候,和……同时。