As the young migrants get older, they find it increasingly difficult to find work ______ .

Due to difference between alien and local cultures, it is not easy for many migrants to ____ into the mainstream.

Global migration has decreased practically everywhere. A.Although the number of Asian migrants has increased, their share of the global number of migrants has decreased from nearly _______ percent in _______ to _______ percent in _______. B. The number of international migrants has decreased in _______, _______ and the _______, _______ and _______. Only _______ and the former Soviet Union have seen a sharp increase in migration. C. The top three migrant-receiving countries are the _______, _______, and _______; the top three sending countries are China, India, and _______.

They are ______<br/>of an organized group made up of violent criminals . A: migrants B: discords C: gangsters D: uproars

As Mark walked the sites on that initial trip of the migrants, he found some important ________ clues — dated bus tickets, shopping receipts and calendars.

As Mark walked the sites on that initial trip of the migrants, he found some important clues _____ dated bus tickets shopping receipts and calendars.

________from other countries can't work in the United States without a permit. A: Emigrants B: Immigrants C: Migrants D: Civilians

At that time, America was faced with the problem of providing for the many _________ who were pouting into the country. A: emigrants B: migrants C: immigrants D: inhabitants

Since___( )____ can't work in the United States without a permit, so it is of great importance for them to present their credentials to the government. A: emigrants B: expatriates C: migrants D: immigrants

The American character developed on the basis of __________.（ ） A: the frontier conditions B: Puritan beliefs and its legacy C: individualistic ideas D: abundant resources of a new land E: migrants from different parts of the world