they traveled across the USA什么意思(中文)

they traveled across the USA什么意思(中文) They traveled () () India last year. They traveled on and on across the ocean until they came to (1、what) they thought was India,(2、which) was in fact the New Continent.为什么用what和which?为什么1用there不可以? They ＿ all over the country .So they plan ＿ some other countries.A.have traveled;visitB. traveled;to visitC.traveled;visitingD.have traveled;to travel How many cities has the Smiths traveled to since they came to China last week?A.have,traveled B.was,traveledC.did,travel to D.has,traveled to they --all over the country in the past ten yearsA.have traveled B.traveled C.are traveling when they have traveled 560 miles,how many towns have they passed? They _______(telvdera) right across America. They _______(telvdera) right across America. men have traveled ever since they first appeared on the earth这是嘛意思 How did people travel years ago.They traveled by _____.A.plane B.train c.horse They traveled to the west in their s___ for the lost child across across across across across Which hotel did they live in whey they traveled in Paris?这句话错在哪里 应如何改正