the red switch on the left and the flying machine will swiftly go up into the air and its journey.
A. Press, begins
B. Press, begin
C. Pressed, begins
D. To press, to begin
网友回答
A. Press, begins
(答案→)B. Press, begin
C. Pressed, begins
D. To press, to begin
解析：考查固定句式。本题第一空是一个固定句式：祈使句+连词+陈述句；该句型就等于条件句+主句；第二空的begin its journey是与go up into the air并列的结构。句意：按左边的那个红色的按钮，这个飞行器就会飞上天空开始了他的旅途。故B正确。