travel的复数是travelling还是traveling?

travel的复数是travelling还是traveling? travel的动名词形式是traveling还是travelling travel的-ing形式是traveling还是travelling? travel的现在进行时是traveling还是travelling,知道者请急速恢复! TRAVEL的动名词形式是什么?是TRAVELING呢,还是TRAVELLING ?是不是双写L? 英语 ：通过旅游是用by travel 还是by travelling? will travel 和will travelling的用法6B英语书47页上的对话，老师问的是will travelling，学生说的是will travel，有设么区别、用法？ travel的名词动名词是travelling，那么他的名次是什么？题目：Look.A lot of ( ){travel}are visiting Nanjing Road now. The earth travelling around the sun in 365days.中间的travel是用ing还是加s? 英文中travel和travelling的问题TRAVEL和TRAVELLING有什么区别吗?还有如果我想说“BC中的旅游”是travelling in BC还是travel in BC?我这个“BC中的旅游”是用于当开头的，就像个海报的标题一样~不知道是 How will most of the people travel?How will most of the people travelling（traveling）?那句话是对的? on travel 和for travelling的区别;visit on 和visit to的区别举例 go travelling和go travel区别 the graph reveals residents travelling to the uk and uk residents travelling to other countries.句子的后半部分 uk residents travelling to other countries.中的travel 是因为要和and前面的travling 保持一致吗 ,那是不是 and连接 liked的后面要用动词ing吗,例如：In the past ,many people liked _____(travel) by bus例如：In the past ,many people liked _____(travel) by bus ,travel要用travel还是travelling? travel的ing形式是否双写ltraveling 和 travelling 是不是都对 他们有什么区别吗 travelling to.作文Where do you want to travel most?What can you see and do there?What do you think of your trip?要求是写国外的,而且注意时态为将来时,属于一个计划 旅游客车 是 travelling