问题补充:
He is very old, he still works very hard.
A. but
B. if
C. when
D. as
答案:
(答案→)A. but
B. if
C. when
D. as
解析:可联系答.案.网客服索取。
时间:2020-05-04 17:46:48
He is very old, he still works very hard.
A. but
B. if
C. when
D. as
(答案→)A. but
B. if
C. when
D. as
解析:可联系答.案.网客服索取。