问题
单项选择题
Speaker A: Could I trouble you to return these two books for me Speaker B:_____
A.It's no trouble at all.
B.Yes, please.'
C.Why didn't you go to the library yourself
D.Sure, I'll be glad to.
答案
参考答案:D
解析:A方请求B方帮忙还书,B方应做出同意或拒绝这一请求的反应。选项D“当然,我很乐意”是这一对话情景下的恰当反应。C项显得不太礼貌,而且句中的时态也不正确。