( ) OK. When shall we meet? ( ) Yes. What's up? ( ) Let's go to the park. (1) Are you free on Sunday? ( ) How about nine o'clock? ( ) All right. See you then.
给下列句子排列正确的顺序。 ________ Yes. What's up? ________ OK! When and where shall we meet? ________ Are you free tomorrow? ________ Let’s meet at the gate at 10 o’clock. ________ Let’s go skating.