He had to retire(退休) early ______ poor health.
| A．as a result | B．because |
| C．so | D．because of |
Dad ,why must I stop__________ computer games?
For your health ,my boy .
| A．to play | B．play | C．to playing | D．playing |
I think you ______ a wrong ______.
| A．made, decision | B．makes ,decision |
| C．come,decision | D．comes ,decision |
Mo Yan’s books have been sold out in many bookstores _________ his winning of the Noble Prize in Literature.
| A．because | B．since | C．as | D．because of |
It makes me very sad whenever I think of my grandma’s______ .
| A．dying | B．died | C．death | D．dead |
The little girl couldn’t be a student because of her __________.
| A．ill | B．sick | C．illness | D．sad |