这些德国人在到襄阳前就已经习惯吃牛肉面了。(be)
before they came to Xiangyang.
It's possible for people to live to be more than one (世纪).
Don't swim in the river.It's (危险的) for you.
The (人口) of China is about 1.41 billion in 2021.
Many people think computers and the Internet will (取代) books.
They'd like to go sightseeing (而不是) of staying at the hotel.