In spring,the trees turn ______ and the flowers become ______.We feel
______.
[ ]
| A．green,out,happy | B．green,beautiful,happily |
| C．green,beautifully,happily | D．green,beautiful,happy |
After ______ his exercises,he left the classroom to play with his friends.
[ ]
| A．hand in | B．handing in |
| C．giving in | D．handed in |
The famous professor lives ______ in the laboratory,but he doesn’t feel ______.
[ ]
| A．alone,lonely | B．lonely,alone |
| C．alone,alone | D．lonely,lonely |