—I had been working till 4:00 a.m. to prepare a report for my boss.—________ you look very tired.
A recent study has ________an unexpected conclusion that the African elephant should be divided into two different species.
The decision about which college to go to cannot be made by any one of us________yourself.
The happiest people don’t have the best of everything.They just________everything.
—Will you join us in the Talent Show? —Thank you,________
She devoted herself________to her research and it earned her a good reputation in her field.