There ____ nothing in the box.
A: is
B: are
C: be
                    A: is
B: are
C: be
举一反三
- There ____ nothing in the box. A: is B: are C: be
 - In the flow chart, it is ( ) that represents the judgment box. A: Rectangular box B: Diamond box C: Parallelogram box D: Oval box
 - There (be) ______ nothing but two pencils in the box.
 - There is nothing in the box, ________?
 - The core promoters of prokaryotes are - 35 box and - 10 Box.
 
