单项选择题
Mr. Morton gradually ______ a knowledge of the subject....
单项选择题Mr. Morton gradually ______ a knowledge of the subject.
Dominic, the most ______ pupil in class, will go to Har...
单项选择题Dominic, the most ______ pupil in class, will go to Harvard to study this September.
That battered old bat of his is a ______ joke to all hi...
单项选择题That battered old bat of his is a ______ joke to all his friends.
