--- Don’t bother to buy me an air ticket. I’ve got one.--- ______ Why didn’t you tell me earlier? I’ve got one, too.
The earth is 49 times ___the moon.
The medicine has begun to ___
Had your father seen the doctor earlier, he ____.
He ___ on the grass, looking at the clouds in the sky.
His brother __ a lot of silkworms last summer.