| A．is | B．was | C．has |
| A．What do you do? |
| B．What are you doing? |
| C．What can you do? |
| A．water, doesn't | B．waters, does | C．water, does |
| A．taking | B．take | C．takeing |
| A．speak, speaking | B．speaking, speak | C．speak, speak |
| A．for, to | B．to ,from | C．from, to |
| A．Who | B．Whose | C．When |
| A．When | B．Where | C．Who |
| A．far | B．big | C．small | D．old |
| A．short | B．shorter | C．shortest |
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