The biggest whale is ___ blue whale, which grows to be about 29 meters long—the height of ___ 9-story building.
She spent 25 dollars on the watch chain.It means ___.
After two days of long walk, his strength gave __.
No matter what they say, I’ll ___ my opinion.
He ___ to break the record for the long-distance race.
__ your courage, ___ you will not fail.