【单选题】 Peter: Why not join us this Saturday and tell us about your adventures in Russia Keith: ______.
A.No problem.
B.I'd love to.
C.Glad to be at your service.
D.Thanks for the invitation.
网考网参考答案:B
网考网解析:
对于别人的邀请,正式的肯定回答是B项。
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