A．Not  | B．Doesn't | C．Don't | D．Aren't |
| A．they | B．them | C．we | D．she |
A．needn't  | B．mustn't | C．can't | D．may not |
| A．to have |
| B．have |
| C．has |
| D．having |
| A．meaning |
| B．meanings |
| C．mean |
| D．means |
| A．cross |
| B．across |
| C．crossing |
| D．to across |
| A．at | B．on | C．with | D．for |
| A．teach | B．have | C．make | D．do |
| A．rules |
| B．rulers |
| C．a rule |
| D．some rules |
| A．Yes, you must |
| B．No, you mustn't |
| C．Yes, you can |
| D．No, you needn't |
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