10.The United States is trying to ______ the serious problem
10.The United States is trying to ______ the serious problem
The Untied States is trying to ----the serious problems resu
The whole world is trying to ( ) the serious problem resulti
11.Which is ______ country,the United States or Canada?
______ is a big city in the United States.
The ______(照顾) of the old is a serious problem.
go to United States 还是go to the United States
She is going to the United States in May
-------- is the capital of the United States
1、Some states in the United States ______ people to carry gu
the united states is a d---- country
Then the United States is also inju