He ______ better ______ maths than Ann did.

题目

He ______ better ______ maths than Ann did.
He ______ better ______ maths than Ann did.
a:does; in
b:is ;at
c:didn't :in
d:didn't do ;in
19

答案

d
do better in 在……方面做的更好.
因为后面的动词是did,因此前面也该是过去时态.而根据判断,此句是否定句,实意动词do 过去时态的否定句需在前加否定助动词didn't