问题补充：
—So hard in the past few months that he has made great progress in English.
—I can see that; only a few mistakes in the exam.
A. has he worked; did he make
B. he has worked; did he make
C. he has worked; he made
D. has he worked; he made
答案：
A. has he worked; did he make
B. he has worked; did he make
C. he has worked; he made
(答案→)D. has he worked; he made
解析：考查倒装。第一空so…that句型so位于句首句子采用部分倒装；第二空only+状语开头句子倒装但本空是only+名词开头句子不用倒装。选D
