All of us found ________difficult to work out the maths problem.
—Liu Wei is ______armless young man .But he plays ____piano very well with his feet .--Yes ,He realized his dream in ‘China’s Got Talent ’and recently he played “LiangZhu”at a concert in Vienna.
His grandma has_______ for 5 years.
The scientist_______ everyone ______ our environment .
Tim is weak in math, so he is trying _________ up with other students now.
Every student in our calls is looking forward to ______a good future.