It is so wet there _____ the trees are extremely tall, some measuring over 90 meters.
My sister cleans the house from _____ to bottom when she is expecting visitors.
Facing danger, he always _____ calm.
When my sister phoned me, I could not hear clearly what she was _____.
She _____ me why she wanted to leave today.
Can you _____ to carry that heavy box by yourself?