Do you know the boy _____ under the big tree? A lay B. lain C. laying D. lying
—Jack, this is the third time that you have been late this week. —Sorry, sir, but I was _____ for 15 minutes on the way.
_______ the smoke come out of the building, my first thought was to call the fire department as soon as possible.
A small part the population are believed to have noto the health care in the west rural area of the country.
It'sbelief that parents have to spend nearly 500,000 yuan bringing up a child in China nowadays.
I wonder how it ____ that Chinese climbers successfully finished the torch relay on the Mount Qomolangma, where the air is so thin.