Researchers have invented _________ ears that look and act like the real ears, giving hope to patients missing all or part of their ears.
It seemed that the birthday party was great success and everyone had fun.
— Should I follow in my father’s footsteps and study medicine? — __________________.
_____ neither you nor your brother interested in swimming?
—Why weren’t you at the meeting? —I____ for a long distance call from my sister in America.
The driver has much experience of driving, and _____ he behaved very calmly in the dangerous situation.