A technical manual or samples______distributed free at the exhibition.
A: is
B: are
A: is
B: are
举一反三
- A technical manual or samples______distributed free at the exhibition. A: is B: are
- 智慧职教: The exhibition center of Shijiazhuang Hotel is composed of the west exhibition hall, the east exhibition hall and the north exhibition.
- There is a wide variety of samples in our exhibition hall.
- The technical innovations will help do away with heavy manual labour and raise _____.
- We_________ free technical support.（提供）