| A．on | B．from | C．of | D．to |
| A．fluent |
| B．fluently |
| C．more fluently |
| D．most fluently |
| A．is going to have |
| B．will have |
| C．will be |
| D．will is |
| A．to pollute |
| B．pollute |
| C．polluting |
| D．to polluting |
| A．Three quarter | B．Three fourths | C．Three-fourth | D．Third-four |
| A．one largest |
| B．one of the largest |
| C．one the largest |
| D．one of largest |
| A．covers |
| B．is covered with |
| C．covers with |
| D．are covered with |
| A．our |
| B．us |
| C．ours |
| D．ourselves |
| A．play |
| B．to play |
| C．plays |
| D．playing |
| A．happen |
| B．is happing |
| C．will happen |
| D．happened |
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