Opposite the old town is the 5500 meters Yulong Xueshan Mountain, its peak_______ with snow.

With the sun _______, we felt comfortable walking outside.

With a lot of difficult problems ____, the newly -elected president is having a hard time.

 With his attention _____ on his book, he didn’t notice me enter his study.

The possibility __________ pleasant smells might reduce pain has recently been suggested by new research.