Somestudieshaveshownthatstudentswhoeatgoodbreakfaststa...

来源：语文精选馆 2.97W

Some studies have shown that students who eat good breakfast stay _______ and do______ than those who don't.

thin; well B. thinner ; better C. the thinnest; the best D. thinnest; best

解析：这里是两类人的比较。