【正文】
better D . changed 。 has e ( ) his parents look sad .Maybe they _________what39。 came C: Has。 【 堂清鞏固 】 一、用括號(hào)中所給動(dòng)詞的適當(dāng)形式填空 : 1. I__________( buy) the bike two weeks ago. I_________( have) this bike since the beginning of this month. I ___________( have) it for two weeks. 2. Great changes_____________( take) place in those villages in the past ten years. 3. How many times ___you ____ (phone) me these days? you (phone) me this morning? 4. Tom can’t get into the room because he ______( lose) the key to the door. 5. I ____( look) for the dictionary, but I ____( not find) it yet. 6. - ___ the new programmes _____ ( start) yet?- No, they _____( plan) . 7. We ______( live) in Shanghai from 1989 to 1999. We ______( live) for 10 years. 8. They can’t go with us. They ( not finish) the work yet. 9. You ( not change ) your mind, ______ you? 二 、單項(xiàng)選擇 ( ) 1. He has studied in our school __________. A. since five years B. for five years C. for five years ago D. in five years