单项选择题
Tom: Let's go picnic this Saturday. Susan: Don't you think it's still a bit chilly at this time of year Tom: ().
A.No wonder B.Cheer up C.Up to you D.Come on
A.Thank you for your time B.I don't know what to do C.Great. The pleasure is mine D.That sounds fine with me
A.I guess I can ask you B.I'd like to ask you C.I'd better ask you D.I want to bother you with