As we all know, the number of Tibetan antelopes(藏羚羊) ________ becoming ___________.
| A．is; less and less | B．are; less and less |
| C．is; smaller and smaller | D．are; smaller and smaller |
The population of Shenzhen is than that of many other cities in China.
| A．taller | B．lower | C．larger | D．more |
My sister hurt her legs badly. The doctor advised her in bed.
| A．to dance | B．to jump |
| C．to stay | D．to live |
— How are you feeling today?
—better. I can go to school.
| A．More | B．Very | C．Too | D．Much |
Mary practises English every day.
| A．to speak | B．speaking | C．speaks | D．speak |
It is noisy here. I need a place to study in.
| A．busier | B．cleaner |
| C．safer | D．quieter |