英语选修7北师大版同步作业及答案：Unit 19（4）语言点
Ⅰ.选词填空
immigration， establish， treaty， influence， colony
1．My grandpa established the family business in 1950.
2．A peace treaty was signed between the US and Vietnam.
3．He was greatly under the influence of drink.
4．They made some laws restricting immigration into the US.
