| 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．covers |
| B．is covered with |
| C．covers with |
| D．are covered with |
| A．happen |
| B．is happing |
| C．will happen |
| D．happened |
| A．on | B．at | C．in | D．under |
| A．on | B．off | C．of | D．to |
| A．hold, is | B．hold, will be | C．will hold, will be | D．will hold, is |
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