Even though the Smiths have moved to a faraway place, we still see them ___.
There are over 58000 rocky objects in ______space,about 900 of which could fall down onto ______ earth.
--So you missed the important meeting yesterday? --_________. I got there five minutes before it was finished.
—Will you complete the task in time? —Surely, I will. _________.
--So you know Catherine? ---Yes, it was last week_____ she came to visit my roommate Jane.
________there are a large number of chemical factories, the air is likely to be polluted.