少兒劍橋英語(yǔ)：三級(jí)句型復(fù)習(xí)集錦（一）

When did you start to play the piano ?
    At 6 years old ./ 2 years ago .
    When did Bob get up yesterday ?
    When is your birthday ? It’s in Dec. .
    When do we have New year’s Day ? It’s Jan.1st .
    When does she have geography ? On Tuesday .
    When will they eat it ? Tomorrow .
    When do you go to bed ?