School kids take part in parades on campus on Halloween, __________ in colorful costumes, after which there is a small party inside the classroom.
__________ time goes on, our country becomes more and more powerful.
The newly discovered star was named __________ a Chinese astronomer __________ honor of his contributions to astronomy.
The government has agreed to pay the firms extra sums to __________ for their financial losses.
You'd better not __________ the radio, or you will not be able to put it together again.
I still remember the days __________ I spent __________ with you in Beijing.