Xi Jinping paid his first visit to ______ in March, 2013.
The traffic in the city _____ be terrible, but now it has improved a lot. I think you will _____ it soon.
She has _____ this car for nearly ten years.
—In the old days, most teenagers had to work for the landlord (地主) in the field to help _____ their families, because their families couldn’t _____ education for them.—What a pity!
Our teacher told us that light _____ much faster than sound.
In our class _____ of the students _____ girls.