The math problem is so hard. I really don’t know     .

A. how to do it  B. how to do C. what to do it D. where to do it

 

 --- How many of you have solved the math problem?

--- ________, the math problem is far too difficult for us to work out. .

A． All                        B. None                                C. Nobody                            D. Everybody

 

The math problem is too difficult ,I can’t__________ .

A．work out it                            B．work it out

C．work them out                         D．put it out

 

The math problem is _______ difficult and _______ of them can work it out.

A．too much; a few

B．much too; a few

C．too much; few

D．much too; few

The math problem is _______ difficult and _______ of them can work it out.

A．too much; a few

B．much too; a few

C．too much; few

D．much too; few