Don’t waste your words any more; she is as ______ as a mule (骡子) and no one can persuade her.
—Who______ it be that is knocking at the door? —It ______ be Father, but I’m not sure.
He certainly looked the part all right, he thought as he ______ himself in the mirror.
He is looking for another job because he feels that nothing he does _______ his boss.
On the graduation day, he received from his father a nice present ______ a note was attached, saying “I’m proud of you.”
When his mother came in, the boy pretended ______.