Ms.Claireisastrictbutkindteacher,_____who,usually,_____herstudents.
A.ones; are liked byB.one; are liked byC.ones; is popular amongD.one; is popular with在线课程D
考查定语从句结构的同时考查词组搭配。从句子结构来看很明显是个非限定性定语从句，one =" one" teacher在本题中作Ms. Claire的同位语。先行词是单数，同位语one也用单数形式，从句中的谓语动词因此也用单数。“被喜欢；受欢迎”可以用be liked by sb.或be popular with/among sb.来表达。