【单选题】
Our food and service are better than _____ used to be.
【单选题】
Our factory has ____ for years.
③
many equipments of fire
【单选题】
Does the design _____ the needs of our users?
【多选题】
It is our_____________ to protect the people.
【单选题】
Our room must ___ clean.
【判断题】
Our city is famous for tea.
【单选题】
We should be ( )about the future
【单选题】
19.It is getting dark. Our teacher _______.
【单选题】
—The advancement of technology has boosted the pace of our lives, and requires us to learn something new every day.— I have chosen the online program at OU.
【单选题】
2. When we speak to people, we should be ___.
③
as politely as possible
④
as politely as possibly