问几道六年级的英语题目!
（1）In the past ,people （travel ,traveled）in wagons .
（2）Now,people（fly,flew）in airplanes.
（3）Now people（fly,flew）in airplanes.
（4)Maybe someday people(fly,will fly)in spaceships.
(5)Now people(live ,lived)in houses and apartments .
(6)Maybe someday people (live ,will live)on other planets.
以上题目选择括号里正确的单词.1,2为一组,3,4为一组,5,6为一组!