The park was full of people, ________ themselves in the sunshine.
A. having enjoyed B. enjoyed
C. enjoying D. to enjoy
The director commanded that everyone ________his advice.
A. must follow B. followed
C. had followed D. follow
At the beginning of the class, the teacher said to us, “Open your books and ________page 64, please.”
A. turn down B. turn on
C. turn to D. turn up
Close the door of fear behind you，and you ________ the door of faith open before you.
A. saw B. have seen
C. will see D. are seeing
It's much easier to make friends ________ you have similar interests.
A. unless B. when
C. even though D. so that
Interest is as ________ to learning as the ability to understand，even more so.
A. vital B. available
C. specific D. similar
