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
There being no witness on the spot, the police were delayed by the _____ of information about the crime.
______ a family of chimps wake up is our first activity of the day.
These increased harvests _____ that 22% of the world’s people are fed from just 7% of the farmland in China.
Some people have the idea_____ you can cross Canada in less than five days.
Only after her mother came to help her for the first few months ______ to begin her project.