3道英语选择Grass skilling is a rising form of entertainment ,popular with young people .------

3道英语选择Grass skilling is a rising form of entertainment ,popular with young people .------
Grass skilling is a rising form of entertainment ,popular with young people .------sliding on the grass could be adventurous and enjoyable
A who B when C where D whose
Brazil is a nation with a successful investment in energy that comes from grains and------ten percent of its oil supply with grain energy is its current goal.
A relaces B has replaces C replacing D to be replaced
The income gap in Switzerland is much smaller than in many other European countries -------the country's social stability and harmony
A ensuring B ensured C ensures D to have ensured
分析选什么.为什么.其余是怎么错的.
手打的，可能有拼错的。