用所给词的适当形式填空
⑥They are from America. One of____(they)is a girl.
⑦I'd like____(go)to the market.
⑧____(buy)a present for mum is a good idea.
⑨I will spend a week____(finish)works of art.
⑩Ten minutes____(late), the bus appears(出现).
结合所学知识,评析以上观点。
—Where the lion from?
—I don't know.
如图,在四边形ABCD中,BA=BC,AC是∠DAE的平分线,AD∥EC,∠AEB=110°,α的度数是( )
如图,读“青藏地区群示意图”,回答下列问题。