问题
选择题
—We're going for a picnic next Sunday, and I'd like you to join us.
—____________！I have to see my grandmother. She has been
ill for two weeks.
A．What a pity
B．Good luck
C．That’s all right
D．Go ahead
答案
答案：A
考查交际用语，what a pity!真可惜，真遗憾 good luck 祝你好运 that's all right.没关系，不用谢 go ahead 好的，
根据I have to see my grandmother. She has been ill for two weeks可知，他不能去，所以只能说真遗憾。