— Do you think Li Hua has passed the English examination?— No, If so, he ______ us yesterday.
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.
To do it by yourself is more important than __________.