问题补充:
They for sixteen hours and still have a long way to go.
A. had walked
B. have been walking
C. walked
D. had been walking
答案:
A. had walked
(答案→)B. have been walking
C. walked
D. had been walking
解析:可联系答.案.网客服索取。
时间:2020-12-18 02:25:39
They for sixteen hours and still have a long way to go.
A. had walked
B. have been walking
C. walked
D. had been walking
A. had walked
(答案→)B. have been walking
C. walked
D. had been walking
解析:可联系答.案.网客服索取。