英语选择（ ）On the Changbai mountaintop ———Lake Tianchi,which att

英语选择（ ）On the Changbai mountaintop ———Lake Tianchi,which attracts lots of visitors every
英语选择
（ ）On the Changbai mountaintop ———Lake Tianchi,which attracts lots of visitors every year.
Alying Blies Cdo lie Dhas lain
（ ）We are worried about the fact ______in some places people are making money at the cost of the environment.
Athat Bwhat Cwhich Dwhere