| A．potato | B．potatoes | C．hen |
| A．baby | B．babys | C．babies | D．bobies |
| A．zero |
| B．zeroes |
| C．zeros |
| D．zero's |
| A．do; hamburger | B．can ;rice | C．do; sandwiches |
| A．books | B．pears | C．pandas | D．bikes |
| A．friend | B．friends |
| A．subject | B．a subject | C．subjects | D．an subject |
| A．bus | B．buss | C．buses |
| A．ducks; they | B．duck; it | C．ducks; them |
| A．is; these | B．is; it | C．are; these |
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