This dress was out of style.— I think it still looks nice.

Since many young people have become rich on Taobao.com,I wonder what _____ is like to run a successful on-line business. [ ]

Where were you last Saturday—I ____ in the Capital Museum.

I ______ my mum cook dinner in the kitchen when the telephone ________.

If I ____ a candle, I would light the world bright.