I am good at playing the piano, but Lucy is even ________ at it.
| A．good | B．better | C．best | D．well |
When Miss Green asked us ________ silent, we stopped ________ at once.
| A．keep; talking | B．to keep; talking | C．keep; to talk | D．to keep; to talk |
My mother lost her key ________ her car yesterday.
| A．at | B．of | C．to | D．for |
Our lives are becoming ________.
| A．good and good | B．better and better |
| C．more and more good | D．more and more better |
The weather in Guangzhou is hotter than ________ in Beijing in summer.
| A．it | B．that | C．this | D．them |