一、时态填空.①I_____(fall) downstairs just now and _____(hurt) myself.
②_____Mr.Wang _____(live) in Shanghai for more than fifty years?
二、对打括号的部分提问.
①He will (go to the park) tomorrow.
②I have got (two) bicycles.
③I will fly to New York (in five hours'time).
④This pen costs me (five dollars).
三、将下列句子变成一般疑问句和否定句.
①They had left before I came back.