China’s Beidou global satellite navigation system will have been completed by 2020, ________ of more than 30 satellites.
--Have you ever seen Peter recently? --Yes. He__________ me to ask you how you___________ along with your new job these days.
It was in the village ______ now is a small town ________ the earthquake occurred.
_______ being Sunday, the library was closed.
Was it _______ that they saw?
________ is no difference between them.