Help!1.He travelled around the world to______ _______(体验生活)o
Help!
1.He travelled around the world to______ _______(体验生活)of different countries.
2.They have to run ____ _____(加班列车)on holidays.
3.What he said sounded _______a joke.(填介词)
4.His English______ _______ _______(提高了很多).