With lots of problems ________ in the class, our teacher looks very relaxed and happy.
A. solved B. solve
C. being solved D. to solve
Sometimes I act as a listening ear for fellow students ________ what is bothering them.
A. to talk over B. talked over
C． talk over D． having talked over
______ the difference between the two research findings will be one of the worst mistakes you make.
A. Ignore B. Ignoring
C. Ignored D. Having ignored
In recent years an English word "infosphere" has appeared, _______the sense of “information” and " atmosphere".
A. combine B. combined
C. combing D. being combined
_________ 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
After receiving the Oscar for Best Supporting Actress, Anne Benedict went on all the people who had helped in her career.
A. to thank B. thanking
C. having thanked D. to have thanked
