注意:此页面搜索的是所有试题
题目内容
(国家开放大学开放英语)
You _______ to lock the door at night.
单选题 (2 分) 2分
A.
should
B.
ought
C.
must
D.
shall
单选题 (2 分) 2分
A.
should
B.
ought
C.
must
D.
shall
参考答案
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