有一道题是Icannotfindmystudentcardanywhere.Itjust______outoftheblue.(appear),
WhenIleft,hewasstilltalkingabouthis____amonghisschoolexcitedly。(popular)
WhenIleft,hewasstilltalkingabouthis____amonghisschoolexcitedly。(popular)那这个单词的名词出了population还有别的吗。。我懒得找了
quizzes参加是用attend.吗,还是用take