Great changes have taken place in my home town. It’s no longer ______ it was ten years ago, ______ I spent my childhood there.
China’s Beidou global satellite navigation system will have been completed by 2020, ____ of more than 30 satellites.
Such a fierce dog _____ that we had to wait outside before we could get into his yard.
An independent traveler would like to struggle with maps and signs ____ he finds the way.
As soon as his teacher begins lecturing, he begins to doze off, not intentionally but _______.
The Chinese lunar New Year usually ______ two records: the world's most watched television gala show, and its busiest telecommunications network.