—What the number of the students in your class ?
—About 60 . A number of them girls .
| A．is ; is | B．are ;are |
| C．is ; are | D．are ; is |
—What the number of the students in your class ?
—About 60 . A number of them girls .
| A．is ; is | B．are ;are |
| C．is ; are | D．are ; is |
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