21. My cousin came to see me from the country，________ me a full basket of fresh fruits.

A.brought B.bringing C.to bring D.had brought

22. I always take something to read when I go to the doctor’s ___ I have to wait.

A.in case B.so that C.in order D.as if

23. You should understand the traffic rule by now.You’ve had it ________ often enough.

A.explaining B.to explain C.explain D.explained

24. More and more people are signing up for Yoga classes nowadays，________ advantage of the health and relaxation benefits.

A.takingB.taken C.having takenD.having been taken

25. Accustomed to ________ the steep mountains，he had no difficulty reaching the top.

A.climbing　B.climb C.having climbedD.have climbed

答案：BADAA