• 2021-04-14
    Without using a computer, they (can not solve) __________ the problem so quickly.
  • could not have solved

    内容

    • 0

      It is ______ difficult a math problem ______ no one can solve it. A: so; that B: such; that C: so; but D: such; but

    • 1

      It is ______ problem that few people can solve it. A: such difficult a B: such difficult C: so difficult a D: so difficult

    • 2

      Be rudeness so that they will solve your problem immediately.

    • 3

      The key is _____ we can solve the problem

    • 4

      What can help to solve the problem?