ORBIS doctors invite local doctors and nurses _____ to learn new skills.
| A．in board | B．in the board |
| C．on board | D．on the board |
Please give the child a pen ________.
| A．to write by | B．to write for |
| C．to write with | D．write with |
The wetland provides a lot of wildlife ____ food and cover.
| A．for | B．with | C．as | D．however |
It was raining hard outside. I _____ stay at home.
| A．must | B．have to | C．had to | D．can |
I failed in the exam. But my mother ___ me to try again.
| A．keeps moving | B．kept encouraging |
| C．kept stopping | D．keeps making |
____ wonderful news report he wrote!
| A．What a | B．What | C．How | D．How a |