单选题 The movement of trains along the line was badly affected after the signaling system \\\\\\ following a heavy rainstorm.

单选题 Today many governments around the world are \\\\\\ to invest in technology to tackle social and environmental problems.

单选题 Technology is \\\\\\ with many things we do today, making our lives far more convenient and efficient than before.

单选题 Some people today \\\\\\ their mobile phones, even to the point that they become restless if they are not with their devices.

单选题 Raised in a family where being frugal was valued, we never got rid of anything until it completely \\\\\\ .

单选题 They got lost while hiking in the mountain, spending many hours \\\\\\ the dense forest before finding their way back to the trail.

单选题 Wherever you go for college and whatever major you pursue, you should actively \\\\\\ new opportunities and experiences to enrich your learning.

单选题 In his response to the job offer from the company, he \\\\\\ healthcare benefits available to full-time employees to make a final decision.

单选题 The railroad, which was about 2,000 kilometers long, \\\\\\ the whole country together and made its rapid industrialization possible.