—All the isatis root(板蓝根) is sold out!—People are crazy! experts say there is no use eating isatis root to preventH7N9, some people still don’t believe it.
We can say the number 77,645 in English is________.
—Everyone knows Russia is the largest country in the world. —That is,it is larger than________ country in Asia.
—How long is the bridge?—It's_______.
The dog ran to a house and_______the newspaper in front of the front door.
Don't_______him________.He stayed up for his homework last night.