Li Yuchun is very p--------- now.Many young people say she i

popular 受欢迎的 再问： I'm going to Hainan on vacation。 　　--- Really? I h_______ you will have a good time。 知道不？ 再答： hope 希望再问： take care of keep up with try them on not more than set out We must ( ) the times ( )our environment is your duty The scientists ( )for the South Pole last month。 你好聪明啊！这个我不会………… 再答： keep up with Taking care of set out