________my dear teacher couldn’t understand was ________ fewer and fewer middle school students showed interest in her lessons.
Have you ever dreamed of staging a concert, ________ thousands of people are applauding and appreciating your music?
—How do you like the book?—It's quite different from ________ I read last month.
Suddenly I heard a man shouting at a driver, ________ car was blocking the street.
After visiting Harbin, most of the foreign friends said they would never forget the time ________ they had spent.
Eleven people got killed in the accident, ________ the identities haven't been available.