.
Water, _______ seems so simple and common, is what makes life possible.
| A．that | B．as | C．what | D．which |
snacks and drinks, but they also brought cards for entertainment when they had a picnic in the forest.
| A．Not only they brought |
| B．Not only did they bring |
| C．Not only brought they |
| D．Not only they did bring |
The scientist, who space all his life, is retiring next week.
| A．had explored |
| B．is exploring |
| C．has been exploring |
| D．explored |
To live with the poor man she loves so much, she decided to her previous fancy way of life.
| A．accept |
| B．improve |
| C．interrupt |
| D．abandon |
Soon the workers found the boss didn’t pay them according to the contract at the beginning.
| A．negotiated |
| B．negotiating |
| C．to be negotiated |
| D．being negotiated |
Being ill deadly in hospital, Mr. Yang has a strong for life and hopes to come back to his teaching post earlier.
| A．demand |
| B．appetite |
| C．suggestion |
| D．order |