57 A less

　　B most

　　C rarely

　　D seldom

　　58 A about

　　B with

　　C on

　　D over

　　59 A Moreover

　　B However

　　C Therefore

　　D so

　　60 A correct

　　B turned

　　C set

　　D reduced

　　6l A covering

　　B using

　　C repairing

　　D leaving

　　62 A want

　　B have

　　C try

　　D forget

　　63 A bright

　　B rainy

　　C foggy

　　D dark

　　64 A air

　　B rain

　　C wind

　　D sunlight

　　65 A 1ayers

　　B levels

　　C degrees

　　D points