Color TV was first shown in 1929. It took more than two decades,________,until 1951, for color broadcasts to begin in the USA.A. anyway B. therefore C. otherwise D. though
I was really anxious about you. You________home without a word.
____ from his appearance, he must be from the north.
Our town has dozens of factories, ____ several sawmills.
What should the people do to solve the food problem if they live in hilly areas ____ is hard to grow crops?
Television, marked by rapid change and refinement, is entering a new period, ____ to reshape our life and our world.