【题目】When the student wanted to have a go, the teacher gave him a nod of ________.
A.supportB.promiseC.approvalD.suggestion
在线课程【答案】C
【解析】
考查名词词义辨析。句意：当那个学生想试一试时，老师点头表示同意。A. support支持；B. promise承诺；C. approval批准，认可；D. suggestion建议。名词approval有获得批准、同意之意，a nod of approval点头同意。故选C项。