Color TV was first shown in 1929. It took more than two decades, ________, until 1951, forcolor broadcasts to begin in the USA.A. though B. therefore C. otherwise D. anyway
It is known to all that a proper amount of exercise ______ to good health.
---You’re going to collect money for the drought areas in southwestern China? ---______. We should try our best to give them a hand.
In some parts of the world, many people can’t have free ______ to the drinking water.
The little boy still needed the ______ 20 dollars to do with the things ______.
Who was ______ spoke first at the meeting?