When people move to another country they often try to the customs of their native land.A.

问题补充：

When people move to another country, they often try to the customs of their native land.

A. turn on

B. bring up

C. keep up

D. give up

答案：

A. turn on

B. bring up

(答案→)C. keep up

D. give up

解析：考查动词短语辨析。句意：当人们搬到另一个国家，他们经常会保持他们原有的风俗习惯。turn on打开；bring up吐出，养大；keep up保持；give up放弃。如：If we can keep up this speed，we should arrive there in about two days．如果我们能保持这个速度，我们在两天之内就应到达那里。故C正确。