Was it near the white building, if I may ask, ____ Martin Luther King gave a speech “I have a dream”?
My headache _____ me.I thought it was going away, but it is getting worse and worse.
We don’t think the experiment is ___ failure. At least we have gained ___ experience for future success.
— Sally, our monitor, was late for her class this morning. — ______? As far as I know, she never came late to class.
Every year, Tom remembers to have some flowers ______to her mother on her birthday.
Nanjing is ______ beautiful city, where you can see ______ famous Changjiang River.