He moved to a foreign country, where he had to _____ himself to the new customs and habits.

A．adapt

B．adopt

C．fit

D．suit

纳税人依法终止纳税义务，应当在向工商行政管理机关办理完毕工商注销登记后，持有关证件，向原税务机关申报办理注销税务登记。( )