Last Monday,while the students on the playground watching the national flag being raised,something unexpected .
The biggest whale is ___ blue whale, which grows to be about 29 meters long—the height of ___ 9-story building.
—My teacher says she’s cancelling the class play. I just can’t understand. —______.You were looking forward to it.
I’m very glad to see that your vocabulary is gradually ________.
More than twenty years____________since he came to teach in this school, and every student and every parent_____him.
________ thousands of Chinese students,Chuck has vast experience in the Chinese class.