Question

【题目】During the May Day holiday, _____ visitors came to visit the Memorial Hall of Flying Tigers.

A. thousand of B. thousand C. thousands D. thousands of

Answer 1

【答案】D

【解析】句意：五一长假期间，有数以千计的游客前来参观飞虎纪念馆。thousands of是固定结构，意为“数以千计的”，表示不确切的数目；A与B是明显错项，故选D。