too much homework——————me verytiredA、make B、makes C、getB、makestoo much homework不可数，所以一定要三单。只有B形式对。This is——————baseball bat.————is on the wallA、her；LucyB、their；Lucys‘C、my；Lucys’sB、their；Lucys' 已经有S就只能加' （）baseball后面有名词，所以是形容词性的物主代词。后面（）is ....是做主语，要名词性的物主代词。
