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
_________ with a difficult situation, Arnold decided to ask his boss for advice.
As soon as she entered the room, the girl caught sight of the flowers _________ by her mother.
--Alice, why didn't you come yesterday? --I _________, but I had an unexpected visitor.
--I'll be away on a business trip. Would you mind looking after my cat? --Not at all._________.
The clock has three hands _________.