I phoned you at 5:00 yesterday afternoon, but nobody answered me.-Sorry. I ______ the flowers in the garden at that time.

China’s first lady ____________the home-made clothes to visit Russia in March,2013.

How about the book you are reading?—Good indeed. It many problems we have come across in our study.

Mr. West showed me around the library ______he was working. [ ]

There lots of good news in today’s newspaper.