Question

Ladies and gentlemen, please remain __________ until the plane has come to a complete stop．

       A．seated          B．seating          C．to seat          D．seat

Answer 1

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。