Children under 12 years of age in that country _____ be under adult supervision when in a public library. [ ]

Let’s ________ these bottles into different boxes for different use.

Computer is so useful. It can do almost everything.—Yes, but it ______ what to do.

1Yao Ming was born September12, 1980.

Tom found out his parents weren’t well, so he went back to _____ for a while.