In order to become healthier, he ____ running every afternoon. [ ]

－I like to ______ my car to work. －But I like to go ______ subway.

The presidents of China and the USA had ________ interview in Beijing a short time ago.—And it was ________ great success.

Experts said it was that Malaysia Airlines Flight 370(马航370) had changed course and turned back toward Kuala Lumpur(吉隆坡).

The Southern States wanted to ______ the Union, so the American Civil War ______. [ ]