1.That definition leaves( )for improvement.

1.That definition leaves( )for improvement.
A.much room B.great deal room C.a small room D.not so a big room
2.Her house is within( )from the police station
A.a stone's throw B.stone's throw C.a throw of a stone D.the stone's throw
3.Nearly every aspect of economic life is affected by( ).
A.this season variations B.that seaonal variations C.seasonal variation D.seasonal variations
请各位英语高手教我上面的题怎样做吧.请详答.
还有可不可以教我如何做选择题正确率高点吧.我做的10题错8题,救命阿.如何才能做好呢?