---We’ve seen many more days of blue skies recently. ---True. But back in 1998, ________ Beijing started its “Defending the Blue Sky” program, the city only ________ about 100 days a year.
Tony was very unhappy for _______ to the party.
Having a trip abroad is certainly good for the old couple, but it remains _______ whether they will enjoy it.
With a lot of difficult problems ________, the newly-elected president is having a hard time.
The picture _______ on the wall is painted by my nephew.
The lady said she would buy a gift for her daughter with the ________.