I.用所给词的正确形式填空
【小题1】Are you _________（satisfy）with your study？
【小题2】He was _______（happy）when he heard the bad news.
【小题3】I think _________（important）thing that the students should do is to work hard.
【小题4】Chen Dan _______（buy）a robot from a robot shop two weeks ago.
【小题5】You should put two _________（battery）in the electric car.
【小题6】There are twelve __________（month）in a year.
【小题7】I expect my robot _________（last）10 years.
【小题8】You should do everything _________（you）when you grow up.
【小题9】Something is wrong with the robot，because it stopped ________（work）completely.
【小题10】A good robot should only need __________（check）every 6 months.