Luckily, the earthquake was not heavy and it didn’t last long. And we were all safe. 四、练习 1、When I went to say goodbye to Anna, she ___ the piano. A. is playingB. playsC. was playingD. played 2、The children ___ a P.E. class on the playground when it suddenly began...
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10、 What ___ when the earthquake happened on May 12th. A. are you doingB. were you doingC. do you doD. did you do 11、 My brother ___ while he ___ his bicycle and hurt himself. A. fell , was ridingB. fell, rodeC. is falling, rodeD.had fallen, was riding 12、 Mary wa...