970AM is the worst radio station because ________.
| A．it plays the most boring songs |
| B．it has the friendliest service |
| C．it is the most popular |
| D．the DJs choose the songs the most carefully |
What a fine day! The sunshine is looking ______the window.
| A．over | B．at | C．through | D．for |
With the development of science, our country is becoming_________
| A．strongest and strongest | B．stronger and stronger |
| C．strong and strong | D．more strong and strong |
My little sister_________ in the hall at that time yesterday.
| A．dance | B．dances |
| C．is dancing | D．was dancing |
You can’t understand the meaning ________you read the text.
| A．unless | B．if |
| C．because | D．whether |
Danny,______ more careful or you will fall down.
| A．to be | B．being |
| C．to being | D．be |