________ is of no concern to us.
Every event that ______ in lour life, be it good or horrible, there is always a lesson to learn from it with positive thinking.
The CD player I bought half a year ago is now out of ______.
Amy joined a painting group but didn’t seem to _______, so she left.
I don’t think Mr. Watson will come here again today. Please give the ticket to _____ comes here first.
—What did the doctor say yesterday afternoon?—He said, “______ on time, this medicine will be quite effective.”