选择恰当的答语

⑴Where are you going ?                              A、I'm 50 kg .

⑵How heavy are you ?                                 B、Twice a year .

⑶What's the longest river in China ?           C、The library .

⑷How often do you go to Beijing ?             D、It's red .

⑸What colour is your new skirt ?                 E、The Changjiang River .