When the roads became too slippery, we decided______to the cabin and wait for the storm to go down.
A．to return
B．to return back
C．returning
D．to returning

未分类题On their vacation they enjoyed swimming at the beach, walking through the wonderful streets, and______in the picturesque(风景如画的)parks.A．to sitB．to sittingC．sittingD．sat

未分类题Im sorry______ you but I cant let you have any money till the end of the month.A．disappointingB．to disappointC．to disappointingD．disappoint

未分类题Would you rather______more stupid than you look or______more stupid than you are?A．being, lookingB．be, lookC．to be, to lookD．to being, to looking

未分类题______, to solve problems, and to overcome difficulties, all give one a sense of satisfaction.A．To face troubleB．Facing troubleC．To facing troubleD．Being faced trouble

未分类题No other quality is more important for a scientist to acquire______observe carefully.A．as toB．than toC．just like toD．so as to