【正文】
___. Two years ______ ______ since he ______ the motor bike has returned from has learned has been on since bought bought ago has passed bought 用所給動(dòng)詞的適當(dāng)形式填空 (go) to America the year before last. _____ you ______(do)? I _____ (be) a teacher. 3. Do you like ________ (drink) milk? ______ _______(not have) his supper yet. ________________ (see) Uncle Li tomorrow. ’ s mother often _______ at four, now she _____________(cook) _______________(read) a book when the accident _________(happen). (travel) by air is very fast us ______ (wait) outside. teacher told us _________ (not talk) any more. went do do am drinking hasn’ t had are going to see cooks is cooking was reading happened Traveling wait not to talk 思考 What’ s the difference between the blue words and the red ones? Exercises I am an American boy I came to China two years ago. I _____(study) here for two years. My father often (take) me_____ (play) football on the playground. Last week I ___ (take) to the park by him. We saw a lot of monkeys (jump) in the tree. I heard a voice from behind When I (walk ) along the river. I thought myself. “ It must___ (be) Mr. Brown. He __(take) photos.” We ___ (enjoy) that day. We ____ (go) back to America next week. have studied takes to play Was taken was walking jump be is taking enjoyed will go