-How much difficulty did you have_______ this problem?
-_______. It's quite easy.
A.to solve, Nothing | B.solving; None |
C.to solve, None | D.solving; Nothing |
-How much difficulty did you have_______ this problem?
-_______. It's quite easy.
A.to solve, Nothing | B.solving; None |
C.to solve, None | D.solving; Nothing |