A.plane | B.train |
A.traffic lights | B.traffic rule |
A.policeman | B.engineer |
A.ride a bike | B.play the violin |
A.post office | B.bookstore |
A.child | B.childs | C.children |
A.birds | B.bird | C.book |
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5. |
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A.help | B.helps | C.helping |
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5. |
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A.buses | B.car | C.bus |
A.Thank you. | B.Let me try. | C.You’re welcome. |