At present, 1 in every 10 people is aged 60 years or older, ______ in 2050, 1 in every 5 people will be aged 60 years or older.
“ It's such a nice place. ” Mother said as she sat at the table __________ for customers.
With the world changing fast, we have something new __________ with all by ourselves every day.
—When will you come to see me, Dad? —I will go to see you when you __________ the training course.
—You've left the light on. —Oh, so I have. __________ and turn it off.
He was about to tell me the secret __________ someone patted him on the shoulder.