Studying in groups is necessary _________________ you want to do well in school.
--______are they in?--They are in Grade 7.A. What class B. What grade C. Where
Linda is fifteen ____old.A. a year B. the year C. years
This is my teacher,Mr. Chen. ____is from Hebei.A. She B. He C. Her
中国中央电视台的缩略词是_______________ 。A. CCTV B. WTO C. PRC
—Can you spell it ?—____________A. Yes ,I can B. Yes,C-A-R ,car .C. C-A-R,car