| A．I’m helpful. |
| B．You are helpful. |
| A．infront | B．infrontof | C．inthefrontof |
| A．They’re farmers | B．He’s a farmer | C．She’s a farmer |
| A．sing | B．sings | C．singing |
| A．What | B．How | C．Where |
| A．we | B．us | C．our |
| A．at | B．in | C．on |
| A．swimming | B．dance | C．skateing |
| A．Let’s go home. | B．It is time to go home. |
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