The photos on the wall ________ my mother of those happy, old days when a large family lived together.
Here are two pairs of shoes, ______ you may choose.
He plays well or badly according to his mood (心情), so he’s a very _________ player.
No one knows exactly ______ this important discovery was made.
The weather turned out to be very good, _______ was more than we could expect.
I don't really work here;I _______ until the new secretary arrives.