The kings are still a visit abroad. They won’t be back the end of this month.A. on; unti

问题补充：

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. on; until

B. in; until

C. in; by

D. at; in

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