问题补充:
He has been collecting coins he was seven years old.
A. because
B. while
C. when
D. since
答案:
A. because
B. while
C. when
(答案→)D. since
解析:考查连词。句意:自从他七岁的时候他就一直收集硬币。Since自从,故选D。
时间:2019-10-27 09:38:14
He has been collecting coins he was seven years old.
A. because
B. while
C. when
D. since
A. because
B. while
C. when
(答案→)D. since
解析:考查连词。句意:自从他七岁的时候他就一直收集硬币。Since自从,故选D。