| A．There are seventeen chairs in the classroom. |
| B．There are sixteen chairs in the classroom |
| C．There are fifteen chairs in the classroom |
| A．All right. | B．Oh, no. | C．No, he didn’t. |
| A．Thank you | B．I am sorry. | C．Class begins. |
| A．at; and | B．in; with | C．in; for |
| A．take | B．talk | C．took |
| A．on | B．by | C．at |
| A．Sam | B．Sam’s | C．your |
| A．three | B．the third | C．third |
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