用所给动词的适当形式填空：(10 分)

小题1:He ___________ (not go ) to school yesterday.

小题2:Look! He ______________(watch ) games.

小题3:Mrs Smith isn’t at home now. She _________( fly) to New York this morning.

小题4:What ______ you _______ last night? (do)

小题5:It’s rainy, but everyone __________ (have ) a good time now.

小题6:He ________ (lose) his keys yesterday.

小题7:I heard him ________ (buy) a computer yesterday.

小题8:His mother told him _________ (not swim ) in the river .

小题9:I’d like ___________(eat) a bowl of noodles .

小题10:Let’s _________ (buy )some fruit.

关于卷扬机二级保养的说法中，正确的有（）

A.检查制动器并清除油污

B.检查齿轮、轴和轴承的磨损

C.减速器齿面的磨损程度，侧向间隙不得大于2mm

D.检查油封的完好情况

E.检查并清理操纵机构