Why didn’t you try your best to get on the bus?一I tried to，but ______ I could，it started moving

The US auto (汽车) industry, a symbol of the American spirit, narrowly escaped a sudden breakdown, _____ China has become the world’s top automaker

What _______ do you like to do

Does Peter feel better?—No, he is seriously ill and still________

I’m sorry ,Mr.Wang. I _____ my homework at home .—That’s OK. But don’t forget ____ it to schooltomorrow.