Life will be better _____ the 21st century.
| A．at | B．on | C．for | D．in |
Be careful of the dog! It’s. Keep away from it.
| A．gentle | B．aggressive | C．lovely | D．interesting |
There are always ____interesting stories in the series that ___ many people watch them.
| A．so, so | B．such, such | C．such, so | D．so, such |
----______ does ______ take to play tennis? ----Let me see. About two hours.
| A．How; it | B．How long; it | C．How; he | D．How long; he |
His daughter is _________ girl.
| A．a eight-year-old | B．an eight-year-old |
| C．an eight-years-old | D．a eight years old |
I know she is very ______ . Look! The smile(微笑) is on her face.
| A．smart | B．happy | C．sad | D．clever |