You must study hard to make greater progress．A.stillB.a great dealC.a good dealD
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You must study hard to make ________ greater progress．
A.still
B.a great deal
C.a good deal
D.all are correct
试题答案
D
解析：（very）much，yet／by（far），still／a great deal／far and away／even，a little+形容词比较级。