_____ Longyan you see today is quite _____ different city from what it was twenty years ago. A. The, a B. 不填, a C. The, 不填 D. A. a
Christina wasn’t saying anything, but the professor smiled at her _______she had done something very clever.
No matter what I do, my efforts ________always end in failure.
The factory used 65 percent of the raw materials, the rest of which _____ saved for other purposes.
There’s nothing more important than good health, _______?
To Daniel’s parents’ surprise, the living room was clean and tidy, with the window ______and fresh air ______in.