(2013·安徽卷)From space, the earth looks blue. This is about seventy-one percent of its surface is covered by water.
He ________ to the lab than he set out to do the experiment.
The library needs ________, but it’ll have to wait until Sunday.
As she _________ the newspaper, Granny ________ asleep.
Mary __________ a dress when she cut her finger.
—Have you ____ been to our town before? —No, it’s the first time I ___ here.