He _a good job for our class this time

问题描述:

He _a good job for our class this time
He _____ a good job for our class this time.
A.did does
B.does did
C.did do
D.do do

did在此处用作副词表示强调,同时须跟随主句而改变时态
后面所跟的动词只能用原形
选择did do
他这次真的为班级做了件好事