Still less , still more都表示“更别说”之意， 前者用于具有否定意义的句子之后，后者用于具有肯定意义的句子之后。
7. Do have a cigarette, ______ you?
A can’t B don’t C wouldn’t D won’t
8.In no countries ______ Britain, it has been said, can one experience four seasons in the course of a single day.
A other than(=except ,用于否定句I can’t do other than obey.) B more than （极其，不止是。 They are more than happy.） C better than D rather than( 是。。。而不是。。。；宁愿。。。而不愿。。。) 9 America will never again have as a nation the spirit of adventure as it _____ before the west was settled.
A could B did C would D was
10 It was not the first time he _____. I think it’s high time we ___ to take him seriously.
A has taken us in… began B take us in… begin C had taken us in …began D took us in… begin. 11 Mary would just ___go ___ stay.
A rather, as to B as soon, as C prefer, to D sooner, as Would( just) as soon … as =宁愿。。。而不愿。。。
12 The young driver looked over the engine carefully lest it___ wrong on the way. A went B would go C had gone D should go Lest, in case for fear that + (should)+动词原形
