问题
选择题
The kings are still _______ a visit abroad. They won’t be back _____ the end of this month.
A．on; until
B．in; until
C．in; by
D．at; in
答案
答案：A
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The kings are still _______ a visit abroad. They won’t be back _____ the end of this month.
A．on; until
B．in; until
C．in; by
D．at; in
答案：A