Xiao Li is the fight person to show theforeigners around，forof us can speak English.

ung manager is well known for hisproblem-solving skills, ________ is important for a successful leader.

InDisneyland,everyyear,some800,000plantsarereplacedbecauseDisneyrefusedto________signsaskinghis“guests”nottosteponthem.

Some students even have no idea of they are studying, so they waste much time playing.

I have been living in London for more than ten years, so I have ________ good knowledge of this city.