— Guo Qing’s running shoes are as as Li Gang’s.— Yes. Only50 yuan.
The bridge________by the villagers last year.
They went to the church________silence.
My parents________for me to have dinner when I got back home yesterday evening.
Most people are________building a paper factory near here.They are worried the river will get polluted.
Yesterday evening I was playing the piano________the doorbell rang.A.whenB.beforeC.while