根据句意，用括号中所给单词的正确形式填空。

小题1:The boy is very rude so he is _________ (popular) with his classmates.

小题2:The brave boy was in hospital and many ________ (visit) came to see him.

小题3:The father makes his son ________ (clean) his own bedroom every day.

小题4:When autumn comes, ________ (leaf) begin to fall off the tree.

小题5:It’s raining very hard so I decide _________ (not go) out.

小题6:It’s necessary for us _________ (keep) the classroom clean.

小题7:There was a lot of traffic on the way, but ________ (lucky), we didn’t miss the film.

小题8: Yesterday morning, Zhang Ming was late for class because of ________ (get) up late.

汽油机混合气的过量空气系数在（）范围内最容易发生爆燃。

A.0.75~0.85

B.0.85~0.95

C.0.95~1.05

D.1.05~1.15