Years ago we didn’t know this , but recent science______that people who don’t sleep well soon get ill.
|
A．showed |
B．has shown |
C．will show |
D．is showing |
.It is said that the early European playing-cards ______for entertainment and education.
|
A．were being designed |
B．have designed |
C．have been designed |
D．were designed |
The young girl sitting next to me on the plane was very nervous.She ______before.
|
A．hasn't fiown |
B．didn’t fly |
C．hadn’t flown |
D．wasn’t flying |
Danny _____ hard for long to realize his dream and now he is popular.
|
A．works |
B．is working |
C．has worked |
D．worked |
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 |
