He usually goes to school ____ bike, but sometimes he _____a taxi to school.
| A．with, on | B．on, by | C．on, with | D．by, takes |
—Who listens________，Erie，Brad or Rick？
—Of course Brad．
| A．the most carefully |
| B．more carefully |
| C．the most careful |
| D．more careful |
The world’s population is growing________and there is________land and water for humans．
| A．more；less |
| B．larger；fewer |
| C．larger；less |
| D．more；fewer |
Mary is growing fast．She is________in her class．
| A．tall |
| B．taller |
| C．tallest |
| D．the tallest |
I’ve heard that Zhuhai Chimelong Ocean Kingdotn is one of________ocean parks in Asia．
| A．very large |
| B．the larger |
| C．much larger |
| D．the largest |
—________is the population of China？
—It is 1.3 billion．And it is________than that of America．
| A．What；bigger |
| B．How many；more |
| C．What；more |
| D．How many；bigger |