请选择DCBA6p.[,L-e1p+` —What’s in the box? —There _________ a pair of glasses.;\,Z6\6p-N7\(@4|
A. am;\,Z6\6p-N7\(@4|
B. is;\,Z6\6p-N7\(@4|
C. are;\,Z6\6p-N7\(@4|
D. be;\,Z6\6p-N7\(@4|