David is________than his brother．So he always makes more mistakes．
| A．careful |
| B．more careful |
| C．less careful |
| D．the most careful |
I learned________a horse last year，and now I’m good at it．
| A．ride |
| B．rode |
| C．to ride |
| D．riding |
Lily likes________books and magazines when she is free．
| A．looking at |
| B．watching |
| C．seeing |
| D．reading |
She’s not strong enough________walking up mountains．
| A．to go |
| B．going |
| C．go |
| D．went |
Perhaps the famous football star won’t play________football any longer．
| A．a |
| B．an |
| C．the |
| D．／ |