the students came from different countries, they got along quite well in the summer camp.
A. While B. Unless C. Since D. Until
—Where is Peter? I can't find him anywhere.
—He went to the library after breakfast and ________ his essay there ever since.
A. wrote B. had written C. has been writing D. is writing
—I wonder________ Mary has kept her figure after all these years.
—By working out every day.
A. where B. how C. why D. If
________more about Chinese culture, Jack has decided to take Chinese folk music as an elective course.
A. Learn B. Learned C. To learn D. To be learning
—Sorry, Mum! I failed the job interview again.
—Oh, it's too bad. You________ have made full preparations.
A. must B. can C. would D. Should
To my delight, I________ from hundreds of applicants to attend the opening ceremony.
A. was chosen B. was being chosen C. would choose D. had chosen
