the country life he was used to ________(change) greatly since 1992.
up to now ,the program ____________(save)thousands of children who would otherwise have died.
each of the students working hard at their lessions ________________(read)the books.
for many years,people ________(dream)of electric cars.
最好有解释 谢谢
© 2017-2019 超级试练试题库,All Rights Reserved.