怪物猎人ol锈钢龙破头:If you travel by air,you will (earn) (gain) time. 选什么？为什么？

If you travel by air,you will (earn) (gain) time. 选什么？为什么？ What's the l_____ expensive way to travel by train,by bus or by air? ？1 if you travel in india ,you will ____use english? if you were here by jennifer 英语小选择？1 if you travel in india ,you will ____use english? If you can fine a big fish，you can travel on the land是什么意思？ If you cross the street carelessly,you risk ______(knock) down by a car. 14.If you __________ four by five ,you'll get twenty. if you trave by ship across the pacific ocean,you cross the internatianal date line if you trave by ship across the pacific ocean,you cross the internatianal date line