---Stay a bit longer please. It’s been such fun having you here. ---Thank you but I’ve

问题补充：

---Stay a bit longer, please. It’s been such fun having you here.

---Thank you, but I’ve got early start tomorrow morning.

A. /; the

B. a; an

C. /; an

D. the; an

答案：

A. /; the

B. a; an

(答案→)C. /; an

D. the; an

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