【題目】My cousin ________ several prizes for designing since he became an architect.

【題目】I looked at a few printers, and among them the one from China was ________ to use.

【題目】Jack wrote two reports, but ________ of them was helpful for us to solve the problem.

【題目】Alice has the habit of doing morning exercises, even ________ winter days.

【題目】Two engineers in the company started a new project while ________ were finishing the old one.

【題目】We should take actions to reduce the haze（霧霾）because it does harm ________ our health.

【題目】Carter lives in a small village and makes ________ living by teaching the kids painting.

【題目】－Listen! Someone is playing the piano.

【題目】—Have you read the book Pride and Prejudice ?

【題目】The professor, together with some students, ______________ the lecture hall at that time.