By the time we ____from our school,we have been close friends for more than ten years.
A. graduated B. will graduate
C. are graduating D. graduate
I am wondering how it ____ that you did so much work within such a short time.
A. held up B. came about
C. gave away D. called for
What matters in life is working hard ____hardly working.
A. as well as B. less than
C. rather than D. other than
They went to the street to ____to the whole city to help the poor boy.
A. apply B. appeal
C. add D. reply
All color fades,____ under the impact of direct sunlight.
A. especially B. eventually
C. appropriately D. merely
The room is so clean. He ____have cleaned it yesterday evening.
A. will B. need
C. can D. must
