Chia động từ trong ngoặc;
We have an old clock. It ( be ) ..... made of steel and iron and it ( be ) ..... kept in the livingroom. It ( belong ) to our family since my father ( be ) .... a little boy.
It ( be ) ..... damaged some weeks ago. My younger sister ( try ) ..... to set the alarm. She ( wind ) .... it so hard that the spring was broken. Now we ( not/be ) ...... allowed to touch it.
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Sinh Học lớp 12
