He likes to leaf（）his picture albums when he is free at home.

lt is high time that you（）harder for the exam.

A.study
B.had studied
C.studied
D.were to study

点击查看答案&解析

Your dog is bigger than （）.

A.my son
B.my son’s
C.that my son’s
D.the my son’s

点击查看答案&解析