The library's study room is full of students _______ for the exam.
| A.busily prepared | B.busy preparing | C.busyly prepare | D.are busily preparing | 
our arriving at the airport, we were given a warm welcome by
  the local people.
| A.With | B.For | C.Upon | D.Until | 
When we entered the room, the lights suddenly.
| A.got off | B.set up | C.went out | D.put out | 
— How do you like the book?
  — It’s quite different from I read last month.
| A.that | B.which | C.the one | D.the one what | 
Let’s go to cinema— that’ll take your mind off the problem
  forwhile.
| A.the; the | B.the; a | C.a; the | D.a; a | 
The pretty young woman is now experiencing a whole new world that is incredibly awkward _______ there is true love, happiness and care.
  A. when B. where C how D. that