Do you like to visit a place____ history is very long.

I would have come sooner but I ________ that they were waiting

She was accused ____ cheating in the exam and was to ____

How much is the petrolper liter today? —Oh, 6.00 yuanIt ______ sharply since last month

（2007年普通高等学校招生全国统一考试山东卷，24）_____________ worries me the way he keeps changing his mind