The audience ______ before TV sets are listening to Yi Zhongtian’s stories with their eyes _____ upon him.
| A．seating；fixing | B．seated；fixing |
| C．seated；fixed | D．seating；fixed |
This is the small house less than 15 square meters, under ______ roof lives a large family of three generations.
| A．which | B．that | C．its | D．whose |
Since then the number of people taking driving lessons ________ 20％.
| A．has increased to | B．increases by | C．has increased by | D．have increased by |
To understand the grammar of the sentence, you must break it ____ into parts.
| A．down | B．up | C．off | D．out |
The whole class________ the teacher attentively.
| A．are listening to | B．is listening to |
| C．are listening | D．is listening |
We don’t allow ____ in the office. But you are allowed ______ in the open air.
| A．smoking; smoking | B．to smoke; to smoke |
| C．smoking; to smoke | D．smoke; smoking |