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.
You were _______ to take your shoes off when you entered the school lab, but you didn’t.
--- Would you please give me a hand and take the bookcase upstairs? --- _______.
The flowers were so lovely that theyin no time.
the day went on, the weather got worse.
Only when I left my parents for Americahow much I loved them.