Dialogue 1 从右侧方框内所给句子选择恰当的句子完成下面的对话，并将其代表字母写在题后的横线上，其中有两项是多余的。（共5分，每小题1分）

A:I think so. B:That's too bad. C:When did it start? D:Where did it start? E:I'm not feeling well. F:Thank you. G:That's all right.

A:What's the matter?
B:Hmmmm…小题1:I have a cold.
A:___小题2:_______.
B:Oh,about three days ago.
A:___小题3:______.You should get a rest.
B:Yes,___小题4:________.
A:I hope you feel better soon.
B:___小题5:________.