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题目内容
（国家开放大学理工英语21）
hey had an accident on the road and didn’t ______ at their hotel until after midnight.
单选题 (10 分) 10分
A.
check in
B.
check over
C.
check on
单选题 (10 分) 10分
A.
check in
B.
check over
C.
check on
参考答案
