The style of Western art has changed many times ______ Chinese art has changed less often.
| A．while | B．before | C．since | D．however |
—Have you read a book called Waiting for Anya?
--Who ___it ?
| A．writes | B．has written | C．wrote | D．had written |
The telephone ____ , but by the time I got indoors , it stopped .
| A．had rung | B．was ringing | C．rings | D．has rung |
. If the weather had been better , we could have had a picnic .But it ___all day.
| A．rained | B．rains | C．has rained | D．is raining |
She stared at the painting,wonder where she ____it.
| A．saw | B．has seen | C．sees | D．had seen |
John was given the same suitcase his father and grandfather _______with them to school.
| A．took | B．had taken | C．were taking | D．would take |