sent, 1 in every 10 people isaged 60 years or older, ______ in 2050, 1 in every 5 people will be aged 60years or older.

My teacher was so angry at _______________ he walked out of the office without a word.

It is difficult to imagine his _______ thedecision without any consideration

Would you like to come to my house to watch the Voice of China together —________.

Bears ______ fat stores throughout the summer and fall to have energy enough to last them through winter sleep.