Ladies and gentlemen, please remain until the plane has come to a complete stop. A. seated B. seating C. to seat D. seat 答案 A 解析 考查非谓语的用法.remain后可接adj, v-ing, v-ed和to be done 等多种形式做表语.在该题中可以把seated视为一个形容词.所以正确答案为A. 查看更多

 

题目列表(包括答案和解析)


同步练习册答案