I/ Change these sentences into passive voice: (Viết các câu sau sang hình thức bị động)

1) No one drank beer in the party yesterday

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2) Mary has bought a new house for two weeks

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3) My mother eats two oranges every day

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4) How many languages do they speak?

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5) He writes a letter to his pen pal once a month

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6) I haven’t read this kind of novel before

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7) Do you often eat breakfast at home?

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8) How much sugar did your mother buy yesterday?

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9) My friend is going to paint his house tomorrow

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10) My son has to complete these poems early