What is a lighted safe water mark fitted with to aid in its identification?
A.
A red and white octagon
B.
Red and white retro-reflective material
C.
Square or triangular topmarks
D.
A spherical topmark
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【单选题】【 2017 年全国卷 3改 】 A Toronto man is offering a free round-the-world air to the right woman. But restrictions __________ . You must be named Elizabeth Gallahgher and have a Canadian passport.
【单选题】【 2017 年全国卷 3改 】 He ________ his offer on a social networking website, and received thousands of e-mails, including thirty from actual Elizabeth Gallagbers with the right passports.